RESEARCH ENGINEERS INC
S-3, 1999-10-13
PREPACKAGED SOFTWARE
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    As filed with the Securities and Exchange Commission on October 13, 1999.
                           Registration No. __________



                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                               ------------------
                                    FORM S-3

             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                            RESEARCH ENGINEERS, INC.
             (Exact name of registrant as specified in its charter)

          Delaware                                       22-2356861
(State or other jurisdiction of          (I.R.S. Employer Identification Number)
incorporation or organization)

                            22700 Savi Ranch Parkway
                          Yorba Linda, California 92887
                                 (714) 974-2500
               (Address, including zip code, and telephone number,
        including area code, of registrant's principal executive offices)

           ----------------------------------
                 Jyoti Chatterjee, President               Copy to:
                   Research Engineers, Inc.            Gregg Amber, Esq.
                   22700 Savi Ranch Parkway            Rutan & Tucker LLP
                Yorba Linda, California 92887    611 Anton Boulevard, Suite 1400
                       (714) 833-3838             Costa Mesa, California 92626
                                                        (714) 641-5100
       (Name, address, including zip code, and telephone number, including
                        area code, of agent for service)
                               ------------------
  Approximate date of commencement of proposed sale to public: From time to time
after the effective date of this registration statement.

  If the  only  securities  being  registered  on this  form are  being  offered
pursuant to dividend or interest  reinvestment plans, please check the following
box: [ ]

  If any of the securities  being registered on this form are to be offered on a
delayed or continuous  basis  pursuant to Rule 415 under the  Securities  Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box: [/]

  If this  form is filed  to  register  additional  securities  for an  offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering. [ ]

  If this form is a post-effective amendment filed pursuant to Rule 462(c) under
the  Securities  Act,  check  the  following  box and  list the  Securities  Act
registration  statement number of the earlier effective  registration  statement
for the same offering. [ ]

  If  delivery  of  the  prospectus is expected to be made pursuant to Rule 434,
please check the following box. [   ]

                               ------------------
<TABLE>
                         CALCULATION OF REGISTRATION FEE
- -------------------------------------------------------------------=============
<CAPTION>
Title of                               Proposed       Proposed
Securities             Amount          Maximum         Maximum       Amount of
To Be                  To Be        Offering Price    Aggregate     Registration
Registered          Registered(1)    Per Share (2)  Offering Price      Fee
- -------------------------------------------------------------------=============
<S>                   <C>                <C>          <C>              <C>
Common Stock,
$.01 par value(3)     1,149,208          $9.25        $10,630,174      $2,955
- -------------------------------------------------------------------=============
<FN>
(1)   In the event of a stock split, stock dividend, anti-dilution adjustment or
      similar transaction involving common stock of the registrant,  in order to
      prevent  dilution,  the number of shares registered shall be automatically
      increased to cover the  additional  shares in accordance  with Rule 416(a)
      under the Securities Act.
(2)   Estimated  solely for the purpose of  determining  the  registration  fee.
      Calculated  pursuant to Rule 457(c),  on the basis of the market price per
      share on October 11, 1999.
(3)   Includes 50,000 shares of common stock underlying outstanding common stock
      purchase  warrants and 928,573 shares of common stock underlying  Series B
      5% Convertible Preferred Stock.
</FN>
</TABLE>

   The  registrant  hereby  amends this  registration  statement on such date or
dates as may be necessary to delay its effective date until the registrant shall
file a further  amendment  which  specifically  states  that  this  registration
statement shall  thereafter  become effective in accordance with Section 8(a) of
the  Securities  Act of 1933, as amended,  or until the  registration  statement
shall become  effective on such date as the Commission,  acting pursuant to said
Section 8(a), may determine.

================================================================================
<PAGE>


                 SUBJECT TO COMPLETION DATED OCTOBER 13, 1999



                            RESEARCH ENGINEERS, INC.
                                1,149,208 Shares
                                  Common Stock

The  information in this  prospectus is not complete and may be changed.  We may
not sell  these  securities  until the  registration  statement  filed  with the
Securities and Exchange Commission is effective. This prospectus is not an offer
to sell securities, and we are not soliciting offers to buy these securities, in
any state where the offer or sale is not permitted.

The  information in this  prospectus is not complete and may be changed.  We may
not sell  these  securities  until the  registration  statement  filed  with the
Securities and Exchange Commission is effective. This prospectus is not an offer
to sell securities, and we are not soliciting offers to buy these securities, in
any state where the offer or sale is not permitted.

   This  prospectus  relates to 1,149,208  shares of our common stock,  $.01 par
value per share which are being offered by the selling  stockholders,  including
shares of common stock underlying warrants and shares of Series B 5% Convertible
Preferred Stock which we previously issued to certain selling stockholders.

   The shares  offered  hereby  were  acquired by the  selling  stockholders  in
private transactions and are "restricted securities" under the Securities Act of
1933.  This  prospectus  has been  prepared for the purpose of  registering  the
shares under the Securities Act of 1933 to allow for future sales by the selling
stockholders to the public without  restriction.  To our knowledge,  the selling
stockholders  have made no  arrangement  with any brokerage firm for the sale of
the shares. The selling  stockholders may be deemed to be "underwriters"  within
the meaning of the Securities Act of 1933. Any commissions  received by a broker
or  dealer  in  connection  with  resales  of the  shares  may be  deemed  to be
underwriting  commissions  or discounts  under the  Securities  Act of 1933.  We
agreed to  indemnify  the  selling  stockholders  against  certain  liabilities,
including  certain  liabilities  under the  Securities Act of 1933. See "Plan of
Distribution."

   The price of the common stock being offered by the selling  stockholders  may
vary,  depending on market  conditions.  We will not receive any of the proceeds
from the sale of the shares by the selling stockholders.

   There is an existing  market for these shares.  Our common stock is traded on
the Nasdaq  National  Market  System under the symbol  "RENG." The last reported
sales price on October 11, 1999 was $9.25 per share.
                   ----------------------------------------

   The common stock  offered  hereby  involves a high degree of risk.  See "Risk
Factors" beginning on page 4.
                   ----------------------------------------

  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
  EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE COMMISSION
     OR ANY STATE SECURITIES COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY
  OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
                    ----------------------------------------


               The date of this prospectus is October 13, 1999


<PAGE>


<TABLE>
<CAPTION>
                                TABLE OF CONTENTS

   <S>                                                                <C>
   The Company.......................................................  3
   Risk Factors......................................................  4
   Special Note Regarding Forward-Looking Statements................. 11
   Plan of Distribution.............................................. 12
   Selling Stockholders.............................................. 14
   Use of Proceeds................................................... 16
   Experts........................................................... 17
   Legal Matters..................................................... 17
   Where You Can Find More Information............................... 17
   Incorporation of Certain Documents by Reference................... 17
</TABLE>

   No  person  is   authorized   to  give  any   information   or  to  make  any
representations, other than those contained or incorporated by reference in this
prospectus,  in connection with the offering  contemplated hereby, and, if given
or made, such information or  representations  must not be relied upon as having
been  authorized by us or the selling  stockholders.  This  prospectus  does not
constitute an offer to sell or a solicitation  of an offer to buy any securities
in any  jurisdiction  to any person to whom it is unlawful to make such offer or
solicitation in such  jurisdiction.  Neither the delivery of this prospectus nor
any sale made hereunder shall, under any  circumstances,  create any implication
that there has been no change in our  affairs  since the date hereof or that the
information  contained or incorporated by reference  herein is correct as of any
time subsequent to its date.


                                       2
<PAGE>

                                   THE COMPANY

   Research  Engineers,  Inc. was  incorporated in 1981 and is  headquartered in
Yorba  Linda,  California.  We are a leading  provider of  technically  advanced
engineering  software solutions.  Our software products provide fully integrated
easy-to-use  design  automation  and analysis  solutions for use by  engineering
analysis  and  design  professionals   worldwide.   Our  comprehensive  line  of
structural,  mechanical,  civil and process/piping engineering software products
is designed to fully  integrate  the  functions of model  generation,  analysis,
design drafting and data presentation. All of our products utilize a proprietary
Windows-based graphics engine,  allowing the software to be used with or without
third-party CAD software.  Our products assist  engineers in performing a myriad
of  mission-critical  engineering  tasks,  including  the analysis and design of
industrial,  commercial,   transportation  and  utility  structures,  pipelines,
machinery,  automotive and aerospace products,  and survey,  contour and digital
terrain  modeling.  Suggested  list prices for most of our  products  range from
approximately $995 to $7,000.

   Through the acquisitions of R-Cube  Technologies in February 1999 and NetGuru
Systems in September  1999, we have  expanded  into the $90 billion  information
technology  services industry,  providing  expertise in data-mining and embedded
technologies to  Internet/Intranet  design and communications.  In addition,  in
April 1999,  we announced  that we had launched the first of several  e-commerce
special interest portals  targeting the 90 million  expatriate  professionals of
the Asia Pacific region now living throughout Europe and North America.

   We  currently  license our  software  products to more than 19,000  customers
accounting for over 47,000 software  installations and 140,000  concurrent users
worldwide. A selected list of our customers include: Bechtel Corporation, Boston
Edison,  British  Telecom,   California  Department  of  Resources,   California
Institute of Technology, Jet Propulsion Laboratories,  Exxon Corporation,  Fluor
Daniel,  Inc.,  General  Dynamics,   NASA,  Rocketdyne,   Siemens  AG  and  Toyo
Engineering.   Our   products   are  sold   and   supported   domestically   and
internationally  through  our  network  of  branch  offices,   subsidiaries  and
representatives in the United States,  United Kingdom,  Germany,  Japan, France,
Scandinavia,  Australia,  China, Singapore,  India, Indonesia,  Korea, Thailand,
Malaysia,  South Africa,  Mexico, Russia, the Middle East and Latin America. Our
structural and civil engineering  products provide eight international  language
options and local design codes required by our worldwide markets.



                                       3
<PAGE>

                                  RISK FACTORS

   In addition to the other  information in this prospectus,  the following risk
factors should be considered  carefully in evaluating us and our business before
purchasing  the common stock  offered by this  prospectus.  An investment in the
common stock offered  hereby is speculative in nature and involves a high degree
of risk.

Risks Related to Our Business

   Our  success  depends on our  retention  of our current  key  management  and
technical personnel.

   Our future success  depends to a large extent upon the continued  services of
key  managerial  and  qualified  technical  and  marketing  employees and on our
ability to attract,  assimilate  or retain  other  highly  qualified  employees.
Competition for such personnel is intense, and there can be no assurance that we
will be able to attract,  assimilate or retain such  personnel.  The loss of the
services  of any of our  key  employees  or our  inability  to  recruit  quality
personnel  could  have a  material  adverse  effect on our  business.  We do not
currently maintain life insurance on the lives of any of our key employees.

   If we are unable to effectively  manage our expanded  operations our business
could be adversely affected.

   We expect to experience rapid growth over the next several years.  This could
place a significant strain on our management and other resources. Our ability to
manage our  growth  will  require us to  continue  to improve  our  operational,
financial and management  information  systems,  and to motivate and effectively
manage our employees. Among other things, we will need to hire and integrate new
managers  and  install and operate  new or  enhanced  accounting  and  financial
management systems.  If we are unable to manage growth effectively,  the quality
of our  products  and  services,  our ability to  identify,  hire and retain key
personnel  and our  business  and  results  of  operations  could  be  adversely
affected.

   The markets in which we compete are highly  competitive and we expect them to
become more competitive in the future,  which could result in significant  price
competition, reduced revenues, lower profit margins or loss of market share.

   The CAD,  computer  aided  engineering  software and  information  technology
industries are highly  competitive.  These industries may experience pricing and
margin pressure which as a result,  could adversely affect our operating results
and financial  position.  A number of companies offer products and services that
target the same  markets as we target.  Some of our  competitors  and  potential
competitors have larger technical staffs,  more established and larger marketing
and sales organizations and significantly greater financial resources than ours.
Our competitors  may develop  products that are superior to ours or that achieve
greater market acceptance. Our future success will depend significantly upon our
ability to  increase  our share of our  target  markets  and to sell  additional
products,  product  enhancements and services to our existing customers.  We may
not be able to compete successfully, and competition may result in decreases in:

       -  the prices we receive for our products and services

                                       4
<PAGE>

       -  our revenues

       -  our profit margins

       -  our market share

Any  such  decreases  would  adversely   affect  our  business  and  results  of
operations.

    The  majority of our  revenues are  currently  derived from the  engineering
design  industry  so a  decline  in this  industry  or  related  industries  may
adversely affect our business.

    Although  we  are  in the  process  of  diversifying  our  business  through
acquisitions and through  expansion into information  technology and other lines
of business,  during the fiscal year ended March 31, 1999,  approximately 96% of
our revenues  were derived from sales of  engineering  software  products to the
construction  and plant design  industries.  Companies in these  industries will
continue to account for  significant  amounts of our revenue for the foreseeable
future,  and  we  depend  on  continued  demand  for  our  products  from  those
industries.  While those industries are cyclical,  downturns in those industries
are  difficult to predict and it could be difficult  for us to react  quickly if
and when downturns occur. Any such downturns could adversely affect our business
and results of operations.

   If we are unable to  successfully  implement our  acquisition  strategy,  our
expectations of our growth or operating results may not be met.

   To  expand  our  markets,  our  business  strategy  includes  growth  through
acquisitions.  For instance, through the acquisitions of R-Cube in February 1999
and NetGuru in September 1999, we have expanded into the $90 billion IT services
industry.  Identifying  and pursuing  strategic  acquisition  opportunities  and
integrating  acquired products and businesses  requires a significant  amount of
management  time and skill.  There can be no  assurance  that we will be able to
identify  suitable  acquisition   candidates,   consummate  any  acquisition  on
acceptable  terms or  successfully  integrate  any  acquired  business  into our
operations.  There also can be no assurance that any future acquisition will not
have an adverse effect upon our operating  results,  particularly  in the fiscal
quarters  immediately  following  consummation  of  the  acquisition  while  the
acquired business is being integrated into our operations.

    We have  recently  expanded  into new lines of business,  and those lines of
business may be difficult to integrate with our core business.

    We have been in the engineering  software  business since 1981. We have only
recently  entered the information  technology,  Internet special interest portal
and digital animation fields.  Our expansion into these lines of business may be
particularly  difficult  for us to manage,  acquisitions  in these fields may be
more  difficult for us to integrate,  at least  initially,  because they involve
different disciplines and require different expertise than our core business. If
we are not able to attain the level of expertise and  reputation in these fields
that we feel we have attained in the engineering  software  field,  our business
and results of operations could be adversely affected.



                                       5
<PAGE>

   Our intellectual property protections may not be adequate and could adversely
affect our business.

   We rely  primarily on a  combination  of contract,  copyright,  trademark and
trade secret laws, license and confidentiality  agreements and software security
measures to protect our proprietary technology. We distribute our products under
"shrink-wrap"  software license  agreements,  which grant end-users  licenses to
(rather than  ownership  of) our products and which contain  various  provisions
intended  to  protect  our  ownership  and  confidentiality  of  the  underlying
technology.  In  addition,  our  software  is  distributed  with a  third  party
"hardware  lock." We also require all of our  employees  and other  parties with
access to our  confidential  information to execute  agreements  prohibiting the
unauthorized use or disclosure of our technology.  In addition,  we periodically
review our proprietary technology for patentability, although we do not have any
current  patents.  Despite  these  precautions,  we believe that  existing  laws
provide limited  protection for our technology and that it may be possible for a
third party to misappropriate our technology or to independently develop similar
technology. In addition, effective copyright and trade secret protection may not
be  available  in  every   jurisdiction   where  we  distribute   our  products,
particularly  in foreign  countries where the laws generally offer no protection
or less  protection  than those of the  United  States.  Due to our  significant
reliance upon  international  sales of our products,  this lack of copyright and
trade  secret  protection  could  adversely  affect our  business and results of
operations  if a third  party  were  successful  in  copying  our  products  and
marketing products similar to ours. Moreover,  "shrink-wrap" licenses, which are
not signed by the end-user, may be unenforceable in certain jurisdictions.

   We believe that, due to the rapid pace of technological innovation and change
within the engineering  industry,  legal protections afforded our technology are
less  significant  in  affecting  our business  and results of  operations  than
factors  such as our  reputation,  our  products,  the  knowledge,  ability  and
experience  of our  personnel,  the  frequency of product  enhancements  and the
timeliness and quality of our customer service and support.

   In order to compete successfully, we must keep pace with the rapid changes to
which our industries are subject.

   The   engineering   software  and  information   technology   industries  are
characterized by rapid technological advances,  changes in customer requirements
and frequent new product and services introductions and enhancements. Our future
success  will  depend  upon our  ability to enhance  our  current  products  and
services and to develop and  introduce  new products and services that keep pace
with technological  developments,  respond to evolving customer requirements and
achieve market acceptance. In particular, we believe we must continue to respond
quickly to users' needs for broad  functionality and to advances in hardware and
operating  systems.  Any failure on our part to anticipate or respond adequately
to  technological  developments  and customer  requirements,  or any significant
delays  in  product  development  or  introduction,  could  result  in a loss of
competitiveness  or  revenues.  New  products or product  enhancements  which we
develop might not achieve market acceptance.



                                       6
<PAGE>

Risks Related to our International Operations

A substantial portion of our sales are made in foreign markets and, as a result,
we are  subject  to a number of risks  associated  with  international  business
activities.

   Sales of our products and  services to customers  located  outside the United
States  accounted for  approximately  45% of our net revenue for the fiscal year
ended March 31, 1999. We anticipate  that  international  sales will continue to
account for a significant  portion of our total software sales. As a result, our
financial  results could be impacted by weakened  general  economic  conditions,
such as the  recent  condition  in the Asian  markets,  differing  technological
advances or preferences,  volatile  foreign  exchange rates and government trade
restrictions in any country in which we do business.

   We have increasingly relied on distributors and representatives to market our
products, particularly in the Asia-Pacific market. Our revenue in any particular
quarter may be negatively  impacted by a lower than  anticipated  performance of
any significant distributor or representative. We do not offer a right of return
to distributors or  representatives.  We do, however,  provide  extended payment
terms  of  up  to  90  days  and   commissions   to   these   distributors   and
representatives.  Commissions  range  from  20%  to 70% of  gross  sales.  These
commissions  are  recorded  at the time of sale  and are  reflected  in  selling
expenses in our  consolidated  statements of operations.  Sales in other regions
such as North  America and Europe are  generally  made without  commissions.  We
continue  to  assess  the  costs  and  benefits  of  continuing  to offer  these
commissions  and to evaluate means whereby the amounts can be reduced.  Means by
which  commissions  may be reduced  include,  but are not  limited  to,  opening
additional  foreign sales offices,  establishing  new foreign  subsidiaries  and
renegotiating   current  commission   amounts  with  foreign   distributors  and
representatives. We may, however, find it necessary in the future to continue to
provide  commissions  at current  levels or possibly  increase  them in order to
expand international sales, which could negatively impact our operating income.

   There  are  a  number  of  risks  inherent  in  our  international   business
activities, including:

       -  unexpected changes in regulatory  requirements
       -  tariffs,  duties and other trade barriers and restrictions
       -  longer account receivable payment cycles
       -  potentially  adverse  tax  consequences
       -  the burdens of  compliance  with foreign laws
       -  lack of international  market data
       -  difficulties in managing the staffing of  international  operations
       -  establishing  or  maintaining international  distribution channels
       -  increased collection risks
       -  uncertain political, regulatory and economic developments

   Any of these  risks  could  adversely  affect  our  business  and  results of
operations.



                                       7
<PAGE>

   If we are unable to meet the regulatory standards of foreign governments on a
timely  basis,  our foreign  operations  and sales could be delayed and revenues
negatively impacted.

   While we believe our current  products  and services are designed to meet the
regulatory  standards of foreign markets, our inability to maintain or to obtain
foreign  regulatory  approvals on a timely  basis in the future could  adversely
affect our business.

   Because the  financial  statements of our foreign  subsidiaries  are prepared
using the relevant  foreign  currency which must be converted into U.S.  dollars
for  inclusion  in  our  consolidated   financial   statements,   exchange  rate
fluctuations may adversely impact our reported earnings.

   We have established and acquired several  international  subsidiaries,  which
prepare their balance sheets in the relevant  foreign  currency.  In order to be
included in our  consolidated  financial  statements,  these balance  sheets are
converted,  at the  then  current  exchange  rate,  into  U.S.  dollars  and the
statements of operations are converted using weighted average exchange rates for
the  applicable  period.  Therefore,  exchange  rate  fluctuations  can  have  a
detrimental  effect on our  earnings  or on our  ability to  compete.  We do not
engage  in  hedging   activities  to  protect   against  the  risk  of  currency
fluctuations.  Foreign currency denominated sales may result in gains and losses
on the conversion to U.S. dollars. We have historically denominated sales by our
foreign subsidiaries in the local currency.  In addition,  we expect that in the
future many of our European  subsidiaries  will denominate their revenues in the
Euro. The Euro is an untested currency and may be subject to economic risks that
are not  currently  contemplated  and which  could have a harmful  effect on our
business.

Risks Related to this Offering

   The market  price of our stock has  fluctuated  and may continue to fluctuate
due to changes in revenue and operating results and general market conditions.

   Our  operating  results  have  fluctuated  in  the  past  and  may  fluctuate
significantly in the future. Future results could be impacted by factors such as
customer order delays, a slower growth rate in the market, increased competition
or adverse  changes in general  economic  conditions  in any of the countries in
which we do business.  While no single  customer has accounted for more than 10%
of our revenues, the loss of a major distributor or a reduction in orders from a
major distributor  could have a significant  impact on our results of operations
in any particular quarter or fiscal year.

   Our quarterly results of operations may also vary significantly  depending on
a  number  of  other  factors,  including  the  timing  of the  introduction  or
enhancement  of  products by us or our  competitors,  market  acceptance  of new
products,  customer order deferrals in anticipation of new products,  changes in
our operating  expenses,  personnel  changes,  mix of products sold,  changes in
product pricing,  acquisitions of additional  products or businesses and general
business and economic conditions. There can be no assurance that we will be able
to grow or sustain our profitability on a quarterly or annual basis.

   In  addition,  certain  of our  expenses  are based,  in part,  on our future
revenue  expectations.  We continue to increase our operating  expense levels to
meet the growing  customer  demand for our products and services.  If revenue is
below  expectations,  our operating  results  could be adversely and  materially
affected.  Net  income  may  be  disproportionately  affected  by an  unexpected
reduction  in revenue  because  certain  expenses  are  generally  committed  in
advance.



                                       8
<PAGE>

      Our stock price may fluctuate significantly as a result of fluctuations in
our quarterly performance,  and may also fluctuate due to other factors, many of
which are beyond our control, such as analysts' expectations and our performance
relative to those  expectations,  global economic  conditions and general market
conditions.  During the past year, our stock price has fluctuated  from a low of
$1.87 per share during the week of December 31, 1998, to a high of $11.50 during
the  week  of  April  30,  1999.  Any  of the  following  factors  could  have a
significant impact on the market price of our common stock:

       -  variations in our revenue
       -  variations in our earnings and cash flows
       -  announcements of technological  innovations or price reductions by us,
          our competitors, or providers of alternative products and processes
       -  the gain or loss of significant customers
       -  changes in analysts' earnings estimates
       -  general  conditions  in  the  engineering   software  and  information
          technology markets

   In addition,  the securities  markets have recently  experienced  significant
price and volume fluctuations that have particularly  affected  technology-based
companies,  and  resulted in changes in the market  prices of the stocks of many
companies  that have not been directly  related to the operating  performance of
those companies.  Such broad market fluctuations may adversely affect the market
price of our common stock. In the past,  following  periods of volatility in the
market price of a company's  securities,  securities class action litigation has
sometimes been instituted against the issuing company. If securities  litigation
is brought  against us, it could result in substantial  costs and a diversion of
management's attention and resources,  which could adversely affect our business
and results of operations.  Any adverse  determination  in such litigation could
also subject us to substantial liabilities.

   We may need additional  capital in the future and adequate  financing may not
be available.

   Our future capital requirements will depend upon many factors,  including the
development  of  new  products,  possible  future  strategic  acquisitions,  the
progress of our research and development efforts, the expansion of our sales and
marketing  efforts  and the status of  competitive  products.  We  believe  that
current  and future  available  capital  resources  will be adequate to fund our
operations for the foreseeable future.  However, to the extent we are in need of
any  additional  financing  after such time,  there can be no assurance that any
such  additional  financing will be available to us on acceptable  terms,  or at
all.  If  additional  funds are raised by  issuing  equity  securities,  further
dilution to the  existing  stockholders  may result.  If adequate  funds are not
available, we may be required to delay, scale back or eliminate our research and
development  program or to obtain funds  through  arrangements  with partners or
others that may require us to relinquish  rights to certain of our  technologies
or potential products or other assets. Accordingly, the inability to obtain such
financing could adversely affect our business,  financial  condition and results
of operations.



                                       9
<PAGE>

    Our stock has  historically  been  thinly  traded,  and the  ability  of the
selling  stockholders  to sell their shares in the open market could depress our
stock price.

      During 1999, our trading volume on the Nasdaq National Market has averaged
less than 60,000  shares per week,  and during the quarter  ended  September 30,
1999 averaged  less than 30,000  shares per week. By virtue of this  prospectus,
the selling  stockholders will be able to resell publicly up to 1,149,208 shares
of our common stock. If they were to do so in large volumes during short periods
of time, our stock price on the Nasdaq  National  Market could be  significantly
depressed.  Furthermore, the formula for calculating the conversion price of the
Series B 5% Convertible  Preferred  Stock and the exercise price of the warrants
held by certain  of the  selling  stockholders  is tied to a  percentage  of the
then-current  market price of our common stock,  so those  selling  stockholders
have no  incentive  to try to help  support  our stock price by selling in small
blocks  over a period  of time or  otherwise  in a  manner  that  would  avoid a
depression in the market price. See "Selling Stockholders--The Selling Funds."

   Our preferred  stock may delay or prevent a takeover of our company  possibly
preventing you from obtaining higher stock prices for your shares.

   Our board of directors has the  authority to issue up to 5,000,000  shares of
preferred stock and to fix the rights, preferences, privileges and restrictions,
including  voting  rights of those shares  without any further vote or action by
our stockholders.  The rights of the holders of our common stock will be subject
to, and may be adversely affected by, the rights of the holders of any preferred
stock that may be issued in the future.  The issuance of preferred stock,  while
providing desired flexibility in connection with possible acquisitions and other
corporate  purposes,  could  have the effect of making it more  difficult  for a
third  party to acquire a majority  of our  outstanding  voting  stock,  thereby
delaying,   deferring  or  preventing  a  change  in  control  of  the  company.
Furthermore,  such  preferred  stock may have other rights,  including  economic
rights senior to the common stock, and, as a result,  the issuance thereof could
adversely  affect the market value of our common stock. We have no present plans
to issue shares of preferred stock.

   The  concentration  of  ownership  of our common  stock and the  antitakeover
effects of Delaware law could adversely affect the performance of our stock.

   Our  executive  officers  and  directors  and their family  members  together
beneficially own approximately 62.9% of the issued and outstanding shares of our
common  stock.  As a  result,  such  persons  will have the  ability  to elect a
majority of directors  and exert control over our affairs,  irrespective  of how
our other  stockholders  may vote. This  concentration of ownership may have the
effect  of  delaying  or  preventing  a change in  control  of the  company.  In
addition,  Section 203 of the General  Corporation Law of Delaware  prohibits us
from engaging in certain business combinations with interested stockholders,  as
defined  by  statute.  These  provisions  may have the  effect  of  delaying  or
preventing  a  change  in  control  of  the  company   without   action  by  our
stockholders,  and  therefore  could  adversely  affect  the price of our common
stock.



                                       10
<PAGE>

              SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

   This prospectus contains certain forward-looking statements,  including among
others  (i) the  projected  growth  in the  engineering  software  market;  (ii)
anticipated trends in our financial  condition and results of operations;  (iii)
our business  strategy for  expanding our presence in the  engineering  software
industry;  and (iv) our ability to  distinguish  ourselves  from our current and
future competitors.  These  forward-looking  statements are based largely on our
current  expectations  and are  subject to a number of risks and  uncertainties.
Actual results could differ materially from these forward-looking statements. In
addition to the other risks described in the Risk Factors discussion,  important
factors to consider in evaluating such  forward-looking  statements  include (i)
changes in external  competitive  market  factors or in our  internal  budgeting
process  which  might  impact  trends  in  our  results  of   operations;   (ii)
unanticipated  working capital or other cash requirements;  (iii) changes in our
business  strategy or an inability to execute our strategy due to  unanticipated
changes in the engineering software or information technology industry; and (iv)
various competitive  factors that may prevent us from competing  successfully in
the marketplace.  In light of these risks and  uncertainties,  many of which are
described in greater detail elsewhere in this Risk Factors discussion, there can
be  no  assurance  that  the  events  predicted  in  forward-looking  statements
contained in this prospectus will in fact transpire.



                                       11
<PAGE>

                              PLAN OF DISTRIBUTION

   The shares  being  offered  hereby  will be offered  and sold by the  selling
stockholders  for their own  accounts.  We will not receive any of the  proceeds
from the sale of the shares pursuant to this prospectus.  We have agreed to bear
the expenses of the  registration of the shares,  including  legal,  accounting,
printing and filing fees, and such expenses are estimated to be $20,000.

   The shares  offered by this  prospectus  may be sold from time to time by the
selling stockholders and those persons' pledgees,  donees,  transferees or other
successors  in  interest.  The selling  stockholders  may sell the shares on the
Nasdaq National Market or otherwise,  at market prices or at negotiated  prices.
They may sell shares by one or a combination of the following:


   - a block trade in which a broker or dealer so engaged  will  attempt to sell
     the shares as agent, but may  position and resell a portion of the block as
     principal to facilitate the transaction;

   - purchases by a broker  or dealer as  principal  and resale by the broker or
     dealer for its account pursuant to this prospectus; and

   - ordinary   brokerage  transactions  and  transactions  in  which  a  broker
     solicits purchasers.

   In effecting  sales,  brokers or dealers engaged by the selling  stockholders
may arrange for other brokers or dealers to participate. Brokers or dealers will
receive  commissions  or discounts  from selling  stockholders  in amounts to be
negotiated prior to the sale. The selling  stockholders  and any  broker-dealers
that participate in the distribution may be deemed to be  "underwriters"  within
the meaning of Section 2(11) of the  Securities Act of 1933, and any proceeds or
commissions  received  by them,  and any profits on the resale of shares sold by
broker-dealers, may be deemed to be underwriting discounts and commissions.

   Regulation M under the Securities Exchange Act of 1934 prohibits participants
in a distribution and their affiliates from bidding for or purchasing any of the
securities  that are the subject of the  distribution.  It also governs bids and
purchases  made to  stabilize  the  price of a  security  in  connection  with a
distribution of the security.

   If any selling stockholder  notifies us that a material  arrangement has been
entered into with a broker-dealer  for the sale of shares through a block trade,
special offering,  exchange distribution or secondary distribution or a purchase
by a broker or dealer,  we will  file,  a  prospectus  supplement,  if  required
pursuant to Rule 424(c) under the Securities Act of 1933, setting forth:

   - the name of each of the participating broker-dealers,

   - the number of shares involved,

   - the price at which the shares were sold,

   - the commissions paid or discounts or  concessions  allowed  to  the broker-
     dealers, where applicable,

                                       12
<PAGE>

   - a  statement to the effect  that the  broker-dealers  did not  conduct  any
     investigation  to  verify  the  information  set  out  or  incorporated  by
     reference in this prospectus, and

   - any other facts material to the transaction.

   We have agreed to indemnify  the selling  stockholders  against  liabilities,
including certain  liabilities under the Securities Act of 1933 or to contribute
to payments which the selling stockholders may be required to make in respect of
these liabilities.



                                       13
<PAGE>

                              SELLING STOCKHOLDERS

General

   There are three selling  stockholders.  We sometimes refer to The Shaar Fund,
Ltd. and Triton Private  Equities Fund,  L.P. as the selling funds.  The selling
stockholders  are  acting  individually,  not as a  group.  None of the  selling
stockholders or their affiliates has held any position, office or other material
relationship,  other than as a stockholder, with us, except that Bharat Manglani
became a non-executive officer employee of ours after our acquisition of NetGuru
Systems,  Inc.  and  NetGuru  Consulting,  Inc.  The  identity  of  the  selling
stockholders and the maximum number of shares of common stock offered under this
prospectus by each of them are as follows:

<TABLE>
         <S>                            <C>
         The Shaar Fund, Ltd.           790,000 shares  (1)
         Triton Private Equities
           Fund, L.P.                   188,573 shares  (1)
         Bharat Manglani                170,635 shares
- ----------
<FN>
(1) This number of shares is the  initial  number that these funds has the right
to require us to register for them. The actual number of shares that these funds
will acquire and then sell under this  prospectus is  determined,  in part, by a
formula  described below under "The Selling Funds,"  although the maximum number
of shares of common stock offered under this  prospectus by these funds will not
exceed the amounts  shown  above.  If the  conversion  formula  yields a greater
number of shares, then we will file a new registration  statement covering those
additional shares.
</FN>
</TABLE>

The Selling Funds

   Shares Offered Under this Prospectus

   The Shaar Fund, Ltd. is offering up to 790,000 shares of our common stock and
Triton  Private  Equities  Fund,  L.P. is  offering up to 188,573  shares of our
common  stock.  They have the right to acquire  those  shares under the terms of
371,429 shares of Series B 5% Convertible  Preferred  Stock, and 50,000 warrants
that they acquired on September 14, 1999.

   The number of shares  offered  under this  prospectus  by the  selling  funds
consists of the following three components:

      -   40,000 shares  of our  common stock  which  The Shaar Fund,  Ltd.  can
          acquire under a warrant which is exercisable at $9.7076 per share.

      -   750,000 shares of our common stock into which Series B 5%  Convertible
          Preferred  Stock  held  by  The  Shaar Fund,  Ltd. is  assumed  to  be
          convertible.  Under our agreement with  The Shaar Fund,  Ltd.,  we are
          required  initially to register this number of shares.  This number is
          determined  based upon the  assumption  that  the  conversion  of  the
          Series  B 5%  Convertible Preferred Stock into common stock will occur
          at a  conversion  price of $4.00 per share.

      -   10,000 shares of our common stock which Triton Private Equities  Fund,
          L.P.  can  acquire under a warrant which is exercisable at $9.7076 per
          share.



                                       14
<PAGE>

      -   178,573 shares of common stock into which the Series B 5%  Convertible
          Preferred Stock is assumed to be convertible. Under our agreement with
          Triton  Private Equities Fund,  L.P.,  we are  required  initially  to
          register this number of shares.   This number is determined based upon
          the  assumption  that  the  conversion  of the Series B 5% Convertible
          Preferred  Stock into common stock will occur at a conversion price of
          $4.00 per share.

   Series B 5% Convertible Preferred Stock

   The Series B 5% Convertible  Preferred Stock has a stated value of $10.00 per
share,  which is credited  towards the purchase of shares of our common stock at
an agreed-upon  conversion price. The conversion price is the lesser of $12.8438
per share or a discount to the "market price" of our common stock at the time of
conversion.  For these purposes,  the "market price" is the average of the three
lowest  closing  bid prices of our common  stock  during  the ten  trading  days
immediately preceding the conversion.

   The conversion price of the Series B 5% Convertible Preferred Stock can never
exceed  $12.8438 per share,  but may be less than that  ceiling,  based upon the
following:

<TABLE>
   <S>                                       <C>
   Time of Conversion                        Conversion Price

   90 - 120 days  after  purchase            105% of  market  price
   120 - 150 days  after purchase            103% of market price
   150 - 180 days after  purchase            100% of market price
   180 - 210 days  after  purchase           97% of market  price
   210 days or more after purchase           95% of market price
</TABLE>

   If at any time our common stock is delisted from the Nasdaq National  Market,
the conversion price will be reduced to 65% of market price.

   The  selling  funds may elect  when to convert  the  Series B 5%  Convertible
Preferred Stock;  however, on September 14, 2002, the selling funds must convert
all  outstanding  shares  of  Series  B 5%  Convertible  Preferred  Stock at the
applicable conversion price.

   At any time after 180 days from the purchase date  (September  14, 1999),  we
may redeem any  unconverted  Series B 5%  Convertible  Preferred  Stock from the
selling funds for 100% of the stated value, upon 60 days written notice.

   All shares  being  offered by the selling  funds are being  registered  under
registration rights agreements between the selling funds and us.

   Examples of the Effect of the Formula Conversion Price

   The following  tables give several examples of the number of shares of common
stock into which the 371,429 shares of Series B 5% Convertible  Preferred  Stock
could be converted, depending on the market price of the common stock.



                                       15
<PAGE>

   Since there are  maximum  conversion  prices for the Series B 5%  Convertible
Preferred  Stock, the selling funds will always be able to acquire a substantial
number of shares of common  stock,  even if the market price of our common stock
is high.

   After  December 13, 1999,  the selling funds will be able to acquire at least
289,189  shares of common stock upon  conversion of the Series B 5%  Convertible
Preferred  Stock,  no matter  how high our  market  price  may be at that  time,
because the $12.8438  maximum  conversion  price for the Series B 5% Convertible
Preferred Stock will apply.

   Assuming all 371,429  shares of the Series B 5% Convertible  Preferred  Stock
are converted at the lower of 95% of market price (which  applies after 210 days
following the purchase of the Series B 5%  Convertible  Preferred  Stock) or the
$13.1562 maximum conversion price:

<TABLE>
      <S>                   <C>                    <C>
                                                     Number of
      Market Price          Conversion Price       Common Shares

          $2.00 (1)              $ 1.30 (1)           2,857,146
           5.00                    4.75                 781,956
           7.50                   7.125                 521,304
          10.00                    9.50                 390,978
          15.00 (2)              12.8438 (2)            289,189

- ----------
<FN>
(1) At $2.00  per  share,  it is likely  that our  common  stock  will have been
delisted from the Nasdaq National Market,  in which case the 65% of market price
conversion factor would apply.
(2) At any market price greater than $13.52,   the maximum  conversion  price of
$12.8438  applies to the Series B 5%  Convertible Preferred Stock.
</FN>
</TABLE>

   The exact number of shares that the selling funds will actually sell pursuant
to this  prospectus may be less than the full 978,573  because the selling funds
have the  discretion  to  determine  when and whether  they will sell any shares
under this  prospectus,  and also because the actual  number of shares which the
selling funds will acquire by converting the Series B 5%  Convertible  Preferred
Stock is not known. If the selling funds acquire a greater number of shares upon
conversion of the Series B 5% Convertible  Preferred Stock,  then we will file a
new registration  statement covering those additional shares. Also, we must file
another  registration  statement covering  additional shares of our common stock
underlying  the Series B 5% Convertible  Preferred  Stock if the market price of
our common stock falls below $5.00 per share on any day.

Bharat Manglani

   Mr.  Manglani is offering  shares of our common stock that he acquired from
us in connection  with our  acquisition of NetGuru  Systems,  Inc. and NetGuru
Consulting, Inc. from Mr. Manglani.

                                 USE OF PROCEEDS

   We will not receive any of the proceeds from the sale of the shares of common
stock offered hereby.



                                       16
<PAGE>

                                     EXPERTS

   The  consolidated  financial  statements  of  Research  Engineers,  Inc.  and
subsidiaries  as of March 31,  1999,  and for the years ended March 31, 1999 and
1998,  have  been  incorporated  by  reference  herein  and in the  registration
statement in reliance upon the report of KPMG LLP, independent  certified public
accountants,  incorporated by reference  herein,  and upon the authority of said
firm as experts in accounting and auditing.

                                  LEGAL MATTERS

   Certain  legal  matters in  connection  with the  legality of the  securities
offered  hereby  will be passed  upon for  Research  Engineers,  Inc. by Rutan &
Tucker, LLP, Costa Mesa, California.

                       WHERE YOU CAN FIND MORE INFORMATION

   We have filed with the  Securities  and Exchange  Commission  a  registration
statement on Form S-3 under the  Securities  Act of 1933  covering the shares of
common stock offered pursuant to this prospectus.  This prospectus omits certain
information and exhibits included in the registration statement, copies of which
may be obtained  upon payment of a fee  prescribed  by the  Commission or may be
examined free of charge at the principal office of the Commission in Washington,
D.C.

   We are subject to the informational  requirements of the Securities  Exchange
Act of 1934 and in accordance  therewith file reports and other information with
the Commission. Reports, proxy statements and other information filed by us with
the Commission may be inspected at the Commission's  Public  Reference  Section,
Room 1024, 450 Fifth Street, N.W., Washington,  D.C. 20549, and at the following
Regional Offices of the Commission:  7 World Trade Center, 13th Floor, New York,
New York 10048, and at Northwest Atrium Center,  500 West Madison Street,  Suite
1400,  Chicago,  Illinois 60661.  You can request copies of these documents upon
payment of a  duplicating  fee,  by writing to the  Commission.  Please call the
Commission at  1-800-SEC-0330  for further  information  on the operation of the
public reference rooms. Our filings,  including the registration statement, will
also be available to you on the Commission's Internet site (http://www.sec.gov).

               INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

   We have filed the documents listed below with the Commission. These documents
are incorporated  herein by reference:  (a) our Annual Report on Form 10-KSB for
the fiscal year ended March 31, 1999;  (b) our Current  Report on Form 8-K dated
September 28, 1999;  (c) our Proxy  Statement  dated  October 13, 1999;  (d) our
Quarterly Report on Form 10-QSB for the quarter ended June 30, 1999; and (e) the
description of our common stock contained in the registration  statement on Form
8-A filed pursuant to Section 12 of the Securities  Exchange Act of 1934 on June
11, 1996 (incorporating by reference  information  contained in our registration
statement on Form SB-2 filed pursuant to the Securities Act of 1933).

   All reports and  documents  which we  subsequently  file pursuant to Sections
13(a),  13(c), 14 or 15(d) of the Securities Exchange Act of 1934 after the date
of this prospectus and prior to the termination of this offering shall be deemed
to be  incorporated by reference into this prospectus and to be part hereof from
the date of filing of those reports and documents.  Any statement contained in a



                                       17
<PAGE>

document  incorporated or deemed to be incorporated by reference herein shall be
deemed to be modified or  superseded  for  purposes  of this  prospectus  to the
extent  that a statement  contained  herein or in any other  subsequently  filed
document which also is incorporated or deemed to be incorporated herein modifies
or supersedes that statement.  Any modified or superseded statement shall not be
deemed,  except as so  modified  or  superseded,  to  constitute  a part of this
prospectus.

   We will provide  without  charge to each  person,  including  any  beneficial
owner, to whom a copy of this prospectus is delivered,  upon the written or oral
request, a copy of any or all of the documents referred to above which have been
incorporated  into this  prospectus  by reference  (other than  exhibits to such
documents,  unless such exhibits are specifically incorporated by reference into
any such document).  Requests for such copies should be directed to Wayne Blair,
Research  Engineers,  Inc.,  22700 Savi Ranch Parkway,  Yorba Linda,  California
92887; Telephone: (714) 974-2500.



                                       18
<PAGE>

                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

Item 14. Other Expenses of Issuance and Distribution

   Expenses  payable in connection with the distribution of the securities being
registered  (estimated  except for the  registration  fee), all of which will be
borne by the registrant, are as follows:

<TABLE>
    <S>                                            <C>
    Registration fee.........................      $2,955
    Printing expenses........................         500
    Legal fees and expenses..................      10,000
    Accounting fees..........................       4,000
    Miscellaneous expenses...................       2,545

              Total.........................      $20,000
</TABLE>

Item 15. Indemnification of Directors and Officers.

   The liability of the registrant's controlling persons,  officers or directors
is or may be affected in such capacity by the following:

   The registrant's  Certificate of Incorporation  limits, to the maximum extent
permitted  by Delaware  law, the  personal  liability of directors  for monetary
damages for breach of their  fiduciary  duties as a director.  The  registrant's
Bylaws  provide that the registrant  shall  indemnify its officers and directors
and may indemnify its employees and other agents to the fullest extent permitted
by Delaware law.

   Section  145  of  the  Delaware  General  Corporation  Law  provides  that  a
corporation may indemnify a director, officer, employee or agent made a party to
an  action  by  reason  of that  fact  that he or she was a  director,  officer,
employee  or agent of the  corporation  or was  serving  at the  request  of the
corporation  against expenses actually and reasonably  incurred by him or her in
connection  with such action if he or she acted in good faith and in a manner he
or she  reasonably  believed to be in, or not opposed to, the best  interests of
the corporation and with respect to any criminal action, had no reasonable cause
to believe his or her conduct was unlawful.

Item 16. Exhibits.
<TABLE>
   <S>            <C>
   Exhibit
   Number         Description of Exhibit
   -------        ----------------------

   5              Opinion  of  Rutan &  Tucker,  LLP as to the  legality  of the
                  shares of common stock registered hereunder.

   23.1           Consent of KPMG LLP.

   23.2           Consent of Rutan & Tucker, LLP (included in Exhibit Number 5).
</TABLE>

                                       19
<PAGE>

Item 17. Undertakings.

   The undersigned registrant hereby undertakes:

   (1) To file,  during any period in which  offers or sales are being  made,  a
post-effective amendment to this registration statement:

      (i)   to include  any  prospectus  required  by Section  10(a)(3) of the
Securities Act of 1933;

      (ii) to reflect in the  prospectus  any facts or events  arising after the
effective date of the registration  statement (or the most recent post-effective
amendment  thereof)  which,  individually  or  in  the  aggregate,  represent  a
fundamental change in the information set forth in this registration  statement.
Notwithstanding the foregoing,  any increase or decrease in volume of securities
offered (if the total dollar value of  securities  offered would not exceed that
which  was  registered)  and any  deviation  from  the  low or  high  end of the
estimated  maximum  offering  range may be reflected  in the form of  prospectus
filed with the  Commission  pursuant  to Rule 424(b) if, in the  aggregate,  the
changes in volume and price  represent  no more than a 20% change in the maximum
aggregate  offering price set forth in the  "Calculation  of  Registration  Fee"
table in the effective registration statement; and

      (iii) to include  any  material  information  with  respect to the plan of
distribution  not  previously  disclosed  in the  registration  statement or any
material change to such information in the registration statement.

   Provided  however,  that paragraphs (1)(i) and (1)(ii) shall not apply if the
information  required  to be  included in a  post-effective  amendment  by those
paragraphs is contained in periodic reports filed by the registrant  pursuant to
Section  13 or Section  15(d) of the  Securities  Exchange  Act of 1934 that are
incorporated by reference in this registration statement.

   (2) That, for the purpose of determining  any liability  under the Securities
Act of 1933,  each  such  post-effective  amendment  shall be deemed to be a new
registration  statement  relating to the  securities  offered  therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof.

   (3) To remove from registration by means of post-effective  amendment to this
registration  statement  any of the  securities  being  registered  which remain
unsold at the termination of the offering.

   (4) That, for purposes of determining  any liability under the Securities Act
of 1933, each filing of the registrant's annual report pursuant to Section 13(a)
or Section 15(d) of the Securities  Exchange Act of 1934 (and, where applicable,
each filing of an employee  benefit  plan's  annual  report  pursuant to Section
15(d) of the Securities  Exchange Act of 1934) that is incorporated by reference
in the registration statement shall be deemed to be a new registration statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

   (5) That,  insofar  as  indemnification  for  liabilities  arising  under the
Securities  Act of 1933 may be  permitted  to  directors,  officers  or  persons
controlling  the registrant  pursuant to the foregoing  provisions or otherwise,



                                       20
<PAGE>

the  registrant  has been  advised  that in the  opinion of the  Securities  and
Exchange  Commission such  indemnification is against public policy as expressed
in the Act and is,  therefore,  unenforceable.  In the  event  that a claim  for
indemnification  against  such  liabilities  (other  than  the  payment  by  the
registrant of expenses  incurred or paid by a director,  officer or  controlling
person of the  registrant  in the  successful  defense  of any  action,  suit or
proceeding)  is  asserted by such  director,  officer or  controlling  person in
connection with the securities being registered,  the registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit  to a  court  of  appropriate  jurisdiction  the  question  whether  such
indemnification  by it is against  public policy as expressed in the  Securities
Act and will be governed by the final adjudication of such issue.




                                       21
<PAGE>

                                   SIGNATURES

   Pursuant to the  requirements  of the  Securities Act of 1933, the registrant
certifies  that it has  reasonable  grounds to believe  that it meets all of the
requirements  for  filing  on Form S-3 and has  duly  caused  this  registration
statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized,  in the City of Yorba  Linda,  State of  California,  on October 13,
1999.

                                    RESEARCH ENGINEERS, INC.

                                    By: /S/JYOTI CHATTERJEE
                                        ---------------------------
                                        Jyoti Chatterjee, President

                                POWER OF ATTORNEY

   Each person whose  signature  appears below hereby  constitutes  and appoints
Jyoti  Chatterjee  and  Wayne  Blair,  or either  of them,  his true and  lawful
attorney-in-fact  and  agent,  with full power of  substitution,  to sign on his
behalf,  individually  and in each capacity  stated below,  all  amendments  and
post-effective amendments to this registration statement on Form S-3 and to file
the same,  with all  exhibits  thereto  and any other  documents  in  connection
therewith,  with the Securities and Exchange Commission under the Securities Act
of 1933, granting unto said  attorney-in-fact and agent full power and authority
to do and perform  each and every act and thing  requisite  and  necessary to be
done in and about the premises, as fully and to all intents and purposes as each
might or could do in person,  hereby ratifying and confirming each act that said
attorney-in-fact  and  agent  may  lawfully  do or  cause  to be done by  virtue
thereof.

   Pursuant to the requirements of the Securities Act of 1933, this registration
statement  has been  signed  below by the  following  persons  in the  following
capacities on October 13, 1999.
<TABLE>
<S>                                 <C>                         <C>
      Name                                  Title                     Date
- ----------------------              ------------------------    ----------------

/S/AMRIT K. DAS                     Chairman of the Board       October 13, 1999
- --------------------                and Director
Amrit K. Das


/S/JYOTI CHATTERJEE                 President (principal        October 13, 1999
- --------------------                executive officer) and
Jyoti Chatterjee                    Director


/S/WAYNE BLAIR                      Chief Financial Officer     October 13, 1999
- --------------------                (principal accounting
Wayne Blair                         officer)


/S/DAN W. HEIL                      Director                    October 13, 1999
- --------------------
Dan W. Heil


/S/BRUCE E. CUMMINGS                Director                    October 13, 1999
- --------------------
Bruce E. Cummings


/S/SANTANU DAS                      Director                    October 13, 1999
- --------------------
Santanu Das
</TABLE>


                                       22
<PAGE>

<TABLE>
<CAPTION>

                                INDEX TO EXHIBITS


<S>                     <C>                                          <C>
Exhibit Number                Description of Exhibit                 Page Number
- --------------                ----------------------                 -----------
     5                  Opinion of Rutan & Tucker, LLP as
                        to the legality of the shares of
                        common stock registered hereunder.

     23.1               Consent of KPMG LLP.

     23.2               Consent of Rutan & Tucker, LLP
                        (included in Exhibit Number 5).
</TABLE>


                                       23
<PAGE>



                                                                       EXHIBIT 5


                               RUTAN & TUCKER, LLP
                         611 Anton Boulevard, Suite 1400
                          Costa Mesa, California 92626
                                 (714) 641-5100

                                October 13, 1999



Research Engineers, Inc.
22700 Savi Ranch Parkway
Yorba Linda, California 92887

            Re:   Form S-3 Registration Statement

Gentlemen:

            We have acted as special  counsel to  Research  Engineers,  Inc.,  a
Delaware corporation (the "Company"), in connection with the registration by the
Company on Form S-3 (the  "Registration  Statement") under the Securities Act of
1933, as amended,  of 1,149,208 shares of the Company's  common stock,  $.01 par
value  (the  "Shares").  The  Shares  are  being  offered  for  sale by  certain
stockholders  of the Company  (the  "Selling  Stockholders")  identified  in the
Registration Statement.

            On the basis of such investigations as we have deemed necessary,  we
are of the  opinion  that the  Shares  to be  offered  for  sale by the  Selling
Stockholders have been duly authorized and are (or, upon exercise of warrants or
conversion of Series B 5% Convertible  Preferred  Stock,  as the case may be, in
accordance with their terms, will be) fully paid and nonassessable and have been
(or, upon the execution and delivery of certificates  representing  Shares after
exercise of warrants or conversion of Series B 5% Convertible  Preferred  Stock,
as the case may be, in accordance with their terms, will be) validly issued.

            We hereby consent to the filing of this opinion as an exhibit to the
Registration  Statement  and to the  reference  to this firm  under the  heading
"Legal  Matters"   contained  in  the  prospectus  that  forms  a  part  of  the
Registration Statement.

                                    Very truly yours,



                                    RUTAN & TUCKER, LLP





                                                                    EXHIBIT 23.1


                         CONSENT OF INDEPENDENT AUDITORS




The Board of Directors
Research Engineers, Inc.:


We consent to the  incorporation by reference in the  Registration  Statement on
Form S-3 of Research Engineers,  Inc. of our report dated May 17, 1999, relating
to the consolidated  balance sheet of Research Engineers,  Inc. and subsidiaries
as of March 31, 1999,  and the related  consolidated  statements of  operations,
stockholders'  equity  and  comprehensive  income  (loss) and cash flows for the
years ended March 31, 1999 and 1998,  which report appears in the March 31, 1999
Annual Report on Form 10-KSB of Research Engineers, Inc.


                                          KPMG LLP


Orange County, California
October 13, 1999





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