AMERICAN CENTURY GOVERNMENT INCOME TRUST
497, 1997-06-06
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                                   PROSPECTUS

                             [american century logo]
                                    American
                                   Century(sm)

                                  MAY 31, 1997

                                     BENHAM
                                    GROUP(R)

                              Capital Preservation


[front cover]


                          AMERICAN CENTURY INVESTMENTS
                                 FAMILY OF FUNDS

     American  Century  Investments  offers you nearly 70 fund choices  covering
stocks, bonds, money markets,  specialty investments and blended portfolios.  To
help you find the funds that may meet your investment  needs,  American  Century
funds  have  been  divided  into  three  groups  based on  investment  style and
objectives. These groups, which appear below, are designed to help simplify your
fund decisions.

                          American Century Investments

     Benham Group          American Century Group     Twentieth Century(R) Group

  MONEY MARKET FUNDS         ASSET ALLOCATION &
 GOVERNMENT BOND FUNDS         BALANCED FUNDS               GROWTH FUNDS
DIVERSIFIED BOND FUNDS    CONSERVATIVE EQUITY FUNDS      INTERNATIONAL FUNDS
 MUNICIPAL BOND FUNDS          SPECIALTY FUNDS

 Capital Preservation



                                 PROSPECTUS
                                MAY 31, 1997

                            Capital Preservation

                  AMERICAN CENTURY GOVERNMENT INCOME TRUST

     American  Century  Government  Income  Trust is a part of American  Century
Investments,  a family of funds that  includes  nearly 70 no-load  mutual  funds
covering a variety of  investment  opportunities.  One of the money market funds
from our Benham  Group  that  invests in U.S.  Treasury  securities,  the Benham
Capital  Preservation  Fund (the "Fund"),  is described in this Prospectus.  Its
investment  objectives are listed on page 2 of this Prospectus.  The other funds
are described in separate prospectuses.

     American Century offers investors a full line of no-load funds, investments
that have no sales charges or commissions.

     This Prospectus  gives you information  about the Fund that you should know
before investing. Please read this Prospectus carefully and retain it for future
reference.  Additional  information  is included in the  Statement of Additional
Information  dated May 31,  1997,  and filed with the  Securities  and  Exchange
Commission  ("SEC").  It is incorporated  into this Prospectus by reference.  To
obtain a copy without charge, call or write:

                        American Century Investments
                     4500 Main Street o P.O. Box 419200
              Kansas City, Missouri 64141-6200 o 1-800-345-2021
                      International calls: 816-531-5575
                   Telecommunications Device for the Deaf:
                 1-800-634-4113 o In Missouri: 816-444-3485
                      Internet: www.americancentury.com

     Additional  information,  including  this  Prospectus  and the Statement of
Additional Information,  may be obtained by accessing the Web site maintained by
the SEC (www.sec.gov).


     INVESTMENTS  IN THE FUND ARE NOT INSURED,  NOR ARE THEY  GUARANTEED  BY THE
U.S. GOVERNMENT OR ANY OTHER AGENCY. THERE IS NO ASSURANCE THAT THE FUND WILL BE
ABLE TO MAINTAIN A $1.00 SHARE PRICE.


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


Prospectus                                                                     1


                      INVESTMENT OBJECTIVES OF THE FUND

AMERICAN CENTURY--BENHAM CAPITAL
PRESERVATION FUND

     Capital  Preservation is a money market fund which seeks maximum safety and
liquidity.  Its secondary  objective is to seek to pay  shareholders the highest
rate of  return on their  investment  in the Fund  consistent  with  safety  and
liquidity.  The Fund intends to pursue its  investment  objectives  by investing
exclusively in short-term U.S. Treasury securities guaranteed by the direct full
faith and credit pledge of the U.S. government and maintaining a dollar-weighted
average portfolio maturity of not more than 90 days.

   There is no assurance that the Fund will achieve its investment objectives.

NO  PERSON  IS  AUTHORIZED  BY THE  FUND TO GIVE  ANY  INFORMATION  OR MAKE  ANY
REPRESENTATION OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS OR IN OTHER PRINTED
OR WRITTEN  MATERIAL ISSUED BY OR ON BEHALF OF THE FUND, AND YOU SHOULD NOT RELY
ON ANY OTHER INFORMATION OR REPRESENTATION.


2    Investment Objectives                        American Century Investments


                              TABLE OF CONTENTS

Investment Objectives of the Fund ..........................................2
Transaction and Operating Expense Table ....................................4
Financial Highlight ........................................................5

INFORMATION REGARDING THE FUND

Investment Policies of the Fund ............................................6
   Risk Factors and Investment Techniques ..................................6
   U.S. Treasury Securities ................................................6
Other Investment Practices, Their Characteristics
   and Risks ...............................................................6
   When-Issued and Forward Commitment Agreements ...........................6
   Other Techniques ........................................................7
Performance Advertising ....................................................7

HOW TO INVEST WITH AMERICAN CENTURY INVESTMENTS

American Century Investments ...............................................8
Investing in American Century ..............................................8
How to Open an Account .....................................................8
     By Mail ...............................................................8
     By Wire ...............................................................8
     By Exchange ...........................................................9
     In Person .............................................................9
   Subsequent Investments ..................................................9
     By Mail ...............................................................9
     By Telephone ..........................................................9
     By Online Access ......................................................9
     By Wire ...............................................................9
     In Person .............................................................9
   Automatic Investment Plan ...............................................9
How to Exchange from One Account to Another ................................9
     By Mail ..............................................................10
     By Telephone .........................................................10
     By Online Access .....................................................10
How to Redeem Shares ......................................................10
     By Mail ..............................................................10
     By Telephone .........................................................10
     By Check-A-Month .....................................................10
     Other Automatic Redemptions ..........................................10
   Redemption Proceeds ....................................................10
     By Check .............................................................10
     By Wire and ACH ......................................................10
   Redemption of Shares in Low-Balance Accounts ...........................10
Signature Guarantee .......................................................11
Special Shareholder Services ..............................................11
     Automated Information Line ...........................................11
     Online Account Access ................................................11
     CheckWriting .........................................................11
     Tax-Qualified Retirement Plans .......................................12
Important Policies Regarding Your Investments .............................12
Reports to Shareholders ...................................................13
Employer-Sponsored Retirement Plans and
   Institutional Accounts .................................................13

ADDITIONAL INFORMATION YOU SHOULD KNOW

Share Price ...............................................................14
   When Share Price Is Determined .........................................14
   How Share Price Is Determined ..........................................14
   Where to Find Yield Information ........................................14
Distributions .............................................................14
Taxes .....................................................................15
   Tax-Deferred Accounts ..................................................15
   Taxable Accounts .......................................................15
Management ................................................................15
   Investment Management ..................................................15
   Code of Ethics .........................................................16
   Transfer and Administrative Services ...................................16
Distribution of Fund Shares ...............................................17
Further Information About American Century ................................17


Prospectus                                             Table of Contents    3


                     TRANSACTION AND OPERATING EXPENSE TABLE

                                                            Capital Preservation

SHAREHOLDER TRANSACTION EXPENSES:
Maximum Sales Load Imposed on Purchases...........................       none
Maximum Sales Load Imposed on Reinvested Dividends................       none
Deferred Sales Load...............................................       none
Redemption Fee(1).................................................       none
Exchange Fee......................................................       none

ANNUAL FUND OPERATING EXPENSES:
(as a percentage of net assets)
Management Fees(2)...............................................       0.48%
12b-1 Fees........................................................       none
Other Expenses(3)................................................       0.00%
Total Fund Operating Expenses....................................       0.48%

EXAMPLE:
You would pay the following expenses on a                   1 year        $ 5
$1,000 investment, assuming a 5% annual return and         3 years         15
redemption at the end of each time period:                 5 years         27
                                                          10 years         60

(1)  Redemption proceeds sent by wire are subject to a $10 processing fee.

(2)  A  portion  of the  management  fee may be paid by the  funds'  manager  to
     unaffiliated  third parties who provide  recordkeeping  and  administrative
     services that would  otherwise be performed by an affiliate of the manager.
     See "Management - Transfer and Administrative Services," page 16.

(3)  Other  expenses,  the fees and expenses  (including  legal counsel fees) of
     those  directors  who  are  not  "interested  persons"  as  defined  in the
     Investment  Company Act of 1940 are estimated to be 0.0038 of 1% of average
     net assets for the most recent fiscal year.

     The purpose of the above table is to help you  understand the various costs
and expenses  that you, as a  shareholder,  will bear  directly or indirectly in
connection  with an  investment  in the  shares  of the  funds  offered  by this
Prospectus.  The example set forth above assumes  reinvestment  of all dividends
and  distributions and uses a 5% annual rate of return as required by Securities
and Exchange Commission regulations.

     NEITHER  THE 5% RATE OF  RETURN  NOR THE  EXPENSES  SHOWN  ABOVE  SHOULD BE
CONSIDERED  INDICATIONS OF PAST OR FUTURE  RETURNS AND EXPENSES.  ACTUAL RETURNS
AND EXPENSES MAY BE GREATER OR LESS THAN THOSE SHOWN.


4    Transaction and Operating Expense Table       American Century Investments

<TABLE>
<CAPTION>
                            FINANCIAL HIGHLIGHTS
                            CAPITAL PRESERVATION

     The  Financial  Highlights  for each of the  periods  presented  have  been
audited by KPMG Peat Marwick LLP,  independent  auditors.  Their report  thereon
appears in the Fund's annual report, which is incorporated by reference into the
Statement of Additional  Information.  The semiannual and annual reports contain
additional  performance  information and will be made available upon request and
without charge. The information presented is for a share outstanding  throughout
the years ended March 31, except as noted.

                             Sept. 30,
                               1996
                            (unaudited)  1996     1995     1994     1993(1)    1992    1991     1990      1989     1988     1987
                            -----------  ----     ----     ----     -------    ----    ----     ----      ----     ----     ----

PER-SHARE DATA

Net Asset Value,
Beginning
<S>                            <C>       <C>      <C>      <C>       <C>       <C>     <C>      <C>       <C>      <C>      <C>  
of Period.................     $1.00     $1.00    $1.00    $1.00     $1.00     $1.00   $1.00    $1.00     $1.00    $1.00    $1.00
                               -----     -----    -----    -----     -----     -----   -----    -----     -----    -----    -----
Income From
Investment
Operations

     Net Investment
     Income ..............     0.02      0.05     0.04     0.03      0.01      0.04    0.06     0.08      0.08     0.06     0.05

Distributions

     From Net
     Investment
     Income...............    (0.02)    (0.05)   (0.04)   (0.03)    (0.01)    (0.04)  (0.06)   (0.08)    (0.08)   (0.06)   (0.05)
                              -----     -----    -----    -----     -----     -----   -----    -----     -----    -----    ----- 

Net Asset Value,
End of Period.............     $1.00     $1.00    $1.00    $1.00     $1.00     $1.00   $1.00    $1.00     $1.00    $1.00    $1.00
                               =====     =====    =====    =====     =====     =====   =====    =====     =====    =====    =====

     Total Return(2)......     2.39%     5.21%    4.31%    2.63%     1.35%     3.88%   6.27%    7.77%     8.27%    6.30%    5.48%

RATIOS/SUPPLEMENTAL
DATA

Ratio of Operating
Expenses to Average
Net Assets(3).............    0.49%(4)   0.51%    0.50%    0.51%    0.50%(4)   0.51%   0.52%    0.56%     0.57%    0.59%    0.63%

Ratio of Net
Investment
Income to Average
Net Assets................   4.68%(4)    5.07%    4.24%    2.59%   2.68%(4)    3.82%   6.03%    7.50%     8.00%    6.08%    5.31%

Net Assets, End
of Period
(in millions).............    $3,016    $3,078   $2,883   $2,787    $2,943    $3,046  $3,376   $3,099    $2,737   $2,187   $1,793

(1)  The Fund's  fiscal  year-end  was  changed  from  September  30 to March 31
     beginning  with the period ended March 31,  1993,  resulting in a six-month
     period in 1993.

(2)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
     distributions, if any, and are not annualized.

(3)  The ratios for the year ended March 31, 1996, include expenses paid through
     expense offset arrangements.

(4)  Annualized.

</TABLE>

Prospectus                                          Financial Highlights    5


                       INFORMATION REGARDING THE FUND

INVESTMENT POLICIES OF THE FUND

     The Fund has adopted certain investment  restrictions that are set forth in
the  Statement of Additional  Information.  Those  restrictions,  as well as the
investment  objectives of the Fund  identified on page 2 of this  Prospectus and
any other investment  policies designated as "fundamental" in this Prospectus or
in  the  Statement  of  Additional   Information,   cannot  be  changed  without
shareholder  approval.  The Fund has implemented  additional investment policies
and  practices  to  guide  its  activities  in the  pursuit  of  its  investment
objectives.  These policies and practices,  which are described  throughout this
Prospectus,  are not  designated  as  fundamental  policies  and may be  changed
without shareholder approval.

     The Fund  seeks to  maintain  a $1.00  share  price,  although  there is no
guarantee it will be able to do so.  Shares of the Fund are neither  insured nor
guaranteed by the U.S. government.

     The Fund seeks maximum safety and liquidity.  Its secondary objective is to
seek to pay its  shareholders  the highest rate of return on their investment in
the Fund consistent  with safety and liquidity.  The Fund pursues its investment
objectives by investing  exclusively  in  short-term  U.S.  Treasury  securities
guaranteed  by the direct full faith and credit  pledge of the U.S.  government.
The Funds' dollar-weighted average portfolio maturity will not exceed 90 days.

     While the risks  associated  with  investing in  short-term  U.S.  Treasury
securities are very low, an investment in the Fund is not risk-free.

RISK FACTORS AND INVESTMENT TECHNIQUES

     The  obligations  in which the Fund may invest  differ  from one another in
their  interest  rates,  maturities,  dates of  issuance  and  interest  payment
schedules.  The pertinent features of the types of obligations in which the Fund
may invest are described in this section.

U.S. TREASURY SECURITIES

     U.S. Treasury bills,  notes,  zero-coupon bonds, and other bonds are direct
obligations  of the U.S.  Treasury,  which has never  failed to pay interest and
repay principal when due. Treasury bills have initial  maturities of one year or
less,  Treasury  notes from two to ten years,  and  Treasury  bonds more than 10
years.  Although U.S. Treasury securities carry little principal risk if held to
maturity,  the  prices of these  securities  (like all debt  securities)  change
between issuance and maturity in response to fluctuating market interest rates.

OTHER INVESTMENT PRACTICES, THEIR CHARACTERISTICS
AND RISKS

     For additional  information regarding the investment practices of the Fund,
see the Statement of Additional Information.

WHEN-ISSUED AND FORWARD COMMITMENT AGREEMENTS

     The Fund may  sometimes  purchase new issues of securities on a when-issued
or forward  commitment basis when, in the opinion of American Century Investment
Management Inc., the Fund's manager,  such purchases will further the investment
objectives of the Fund.  The price of  when-issued  securities is established at
the time the  commitment to purchase is made.  Delivery of and payment for these
securities  typically  occurs 3 to 11 days  after the  commitment  to  purchase.
Market  rates of interest  on debt  securities  at the time of  delivery  may be
higher or lower than those  contracted  for on the  security.  Accordingly,  the
value of the  security may decline  prior to  delivery,  which could result in a
loss to the  Fund.  A  separate  account  for  the  Fund  consisting  of cash or
appropriate  liquid  securities  in an amount at least equal to the  when-issued
commitments  will be established  and maintained  with the custodian.  No income
will accrue to the Fund prior to delivery.


6    Information Regarding the Fund                 American Century Investments


OTHER TECHNIQUES

     The Manager may buy other types of  securities  or employ  other  portfolio
management  techniques on behalf of the Fund. When SEC guidelines  require it to
do so, the Fund will set aside cash or appropriate liquid assets in a segregated
account to cover the Fund's obligations.

PERFORMANCE ADVERTISING

     From  time  to  time,  the  Fund  may  advertise   performance  data.  Fund
performance  may be shown by presenting  one or more  performance  measurements,
including yield and effective yield.

     A  quotation  of yield  reflects  the Fund's  income  over a stated  period
expressed as a percentage  of its share price.  Yield is calculated by measuring
the income  generated by an investment in the Fund over a seven-day  period (net
of Fund expenses). This income is then annualized, that is, the amount of income
generated by the investment over the seven-day period is assumed to be generated
over each  similar  period  each week  throughout  a full year and is shown as a
percentage of the  investment.  The  effective  yield is calculated in a similar
manner but, when  annualized,  the income earned by the investment is assumed to
be  reinvested.  The  effective  yield will be  slightly  higher  than the yield
because of the compounding effect on the assumed reinvestment.

     Yields are calculated according to accounting methods that are standardized
in accordance with SEC rules. The SEC yield should be regarded as an estimate of
the Fund's rate of  investment  income,  and it may not equal the Fund's  actual
income  distribution  rate, the income paid to a shareholder's  account,  or the
income reported in the Fund's financial statements.

         The Fund may also include in advertisements data comparing  performance
with the  performance  of  non-related  investment  media,  published  editorial
comments and performance rankings compiled by independent organizations (such as
Lipper  Analytical  Services or Donoghue's  Money Fund Report) and  publications
that monitor the  performance of mutual funds.  Performance  information  may be
quoted numerically or may be presented in a table, graph or other  illustration.
In addition,  Fund  performance may be compared to well-known  indices of market
performance including the IBC's Money Fund Report and Bank Rate Monitor National
Index of 2  1/2-year  CD rates.  Fund  performance  may also be  compared,  on a
relative  basis,  to other funds in our fund family.  This relative  comparison,
which may be based upon historical or expected fund  performance,  volatility or
other fund  characteristics,  may be presented  numerically,  graphically  or in
text.

     All performance  information advertised by the Fund is historical in nature
and is not intended to represent or guarantee future results.  The value of Fund
shares when redeemed may be more or less than their original cost.


Prospectus                               Information Regarding the Fund      7


AMERICAN CENTURY INVESTMENTS

     The Fund  offered  by this  Prospectus  is a part of the  American  Century
Investments  family  of  mutual  funds.  Our  family  provides  a full  range of
investment  opportunities,  from  the  aggressive  equity  growth  funds  in our
Twentieth  Century Group,  to the fixed income funds in our Benham Group, to the
moderate risk and specialty  funds in our American  Century  Group.  Please call
1-800-345-2021  for a  brochure  or  prospectuses  for the  other  funds  in the
American Century Investments family.

INVESTING IN AMERICAN CENTURY

     The following  section  explains how to invest in American  Century  funds,
including purchases, redemptions,  exchanges and special services. You will find
more detail about doing  business with us by referring to the Investor  Services
Guide that you will receive when you open an account.

     If  you  own  or  are   considering   purchasing  Fund  shares  through  an
employer-sponsored  retirement  plan or through a bank,  broker-dealer  or other
financial  intermediary,  the  following  sections,  as well as the  information
contained  in our Investor  Services  Guide,  may not apply to you.  Please read
"Employer-Sponsored Retirement Plans and Institutional Accounts," page 13.

HOW TO OPEN AN ACCOUNT

     To open an account,  you must complete and sign an application,  furnishing
your  taxpayer  identification  number.  (You must also certify  whether you are
subject to  withholding  for failing to report  income to the IRS.)  Investments
received without a certified taxpayer identification number will be returned.

     The minimum investment is $2,500 ($1,000 for IRA accounts).

     The minimum  investment  requirements  may be  different  for some types of
retirement  accounts.  Call one of our  Investor  Services  Representatives  for
information  on  our  retirement  plans,  which  are  available  for  individual
investors or for those investing through their employers.

     PLEASE NOTE: IF YOU REGISTER  YOUR ACCOUNT AS BELONGING TO MULTIPLE  OWNERS
(E.G., AS JOINT TENANTS) YOU MUST PROVIDE US WITH SPECIFIC AUTHORIZATION ON YOUR
APPLICATION IN ORDER FOR US TO ACCEPT WRITTEN OR TELEPHONE  INSTRUCTIONS  FROM A
SINGLE OWNER. OTHERWISE,  ALL OWNERS WILL HAVE TO AGREE TO ANY TRANSACTIONS THAT
INVOLVE THE ACCOUNT  (WHETHER THE TRANSACTION  REQUEST IS IN WRITING OR OVER THE
TELEPHONE).

     You may invest in the following ways:

By Mail

     Send a  completed  application  and check or money  order  payable  in U.S.
dollars to American Century Investments.

By Wire

     You may make your initial  investment by wiring funds. To do so, call us or
mail  a  completed   application  and  provide  your  bank  with  the  following
information:

o    RECEIVING BANK AND ROUTING NUMBER:
     Commerce Bank, N.A. (101000019)

o    BENEFICIARY (BNF):
     American Century Services Corporation
     4500 Main St., Kansas City, Missouri 64111

o    BENEFICIARY ACCOUNT NUMBER (BNF ACCT):
     2804918

o    REFERENCE FOR BENEFICIARY (RFB):
     American Century account number into which you are investing.  If more than
     one, leave blank and see "Bank to Bank Information" below.

o    ORIGINATOR TO BENEFICIARY (OBI):
     Name and address of owner of account into which you are investing.

o    BANK TO BANK INFORMATION
     (BBI OR FREE FORM TEXT):

     o    Taxpayer identification or Social Security number

     o    If more than one account, account numbers and amount to be invested in
          each account.


8 How to Invest with American Century Investments   American Century Investments


     o    Current tax year, previous tax year or rollover designation if an IRA.
          Specify whether IRA,  SEP-IRA,  SARSEP-IRA,  SIMPLE Employer or SIMPLE
          Employee.

By Exchange

     Call 1-800-345-2021 from 7 a.m. to 7 p.m. Central time to get information
on opening an account by exchanging from another American Century account. See
this page for more information on exchanges.

In Person

     If you prefer to work with a representative in person,  please visit one of
our Investor Centers, located at:

     4500 Main Street
     Kansas City, Missouri 64111

     4917 Town Center Drive
     Leawood, Kansas 66211

     1665 Charleston Road
     Mountain View, California 94043

     2000 S. Colorado Blvd.
     Denver, Colorado 80222

SUBSEQUENT INVESTMENTS

     Subsequent  investments  may be  made  by an  automatic  bank,  payroll  or
government direct deposit (see "Automatic  Investment Plan," on this page) or by
any of the methods  below.  The minimum  investment  requirement  for subsequent
investments:  $250 for checks submitted without the investment slip portion of a
previous  statement  or  confirmation,  $50 for all  other  types of  subsequent
investments.

By Mail

     When making subsequent investments,  enclose your check with the investment
slip portion of the  confirmation  of a previous  investment.  If the investment
slip is not  available,  indicate your name,  address and account number on your
check or a separate piece of paper. (Please be aware that the investment minimum
for subsequent investments is higher without an investment slip.)

By Telephone

     Once your  account is open,  you may make  investments  by telephone if you
have authorized us (by choosing "Full Services" on your  application) to draw on
your bank account.  You may call an Investor Services  Representative or use our
Automated Information Line.

By Online Access

     Once your  account  is open,  you may make  investments  online if you have
authorized us (by choosing "Full Services" on your  application) to draw on your
bank account.

By Wire

     You may make  subsequent  investments  by wire.  Follow  the wire  transfer
instructions on page 8 and indicate your account number.

In Person

     You may  make  subsequent  investments  in  person  at one of our  Investor
Centers. The locations of our four Investor Centers are listed on this page.

AUTOMATIC INVESTMENT PLAN

     You may elect on your  application  to make  investments  automatically  by
authorizing us to draw on your bank account regularly.  Such investments must be
at least the  equivalent  of $50 per  month.  You also may  choose an  automatic
payroll or government  direct  deposit.  If you are  establishing a new account,
check the appropriate box under  "Automatic  Investments" on your application to
receive  more  information.  If you  would  like to add a direct  deposit  to an
existing account, please call one of our Investor Services Representatives.

HOW TO EXCHANGE FROM ONE ACCOUNT TO ANOTHER

     As long as you meet any minimum investment  requirements,  you may exchange
your Fund  shares to our other  funds up to six times per year per  account.  An
exchange request will be processed the same day it is received if it is received
before the fund's net asset  values are  calculated,  which is one hour prior to
the  close of the New York  Stock  Exchange  for the funds in  American  Century
Target  Maturities  Trust, and at the close of the Exchange for all of our other
funds. See "When Share Price is Determined," page 14.

     For any single exchange, the shares of each fund being acquired must have a
value of at least $100. However, we will allow investors to set up an


Prospectus                How to Invest with American Century Investments    9


Automatic  Exchange Plan between any two funds in the amount of at least $50 per
month. See our Investor Services Guide for further information about exchanges.

By Mail

     You may direct us in writing to  exchange  your  shares  from one  American
Century account to another. For additional information,  please see our Investor
Services Guide.

By Telephone

     You can make exchanges over the telephone (either with an Investor Services
Representative or using our Automated Information Line--see page 11) if you have
authorized  us to  accept  telephone  instructions.  You can  authorize  this by
selecting "Full Services" on your application or by calling us at 1-800-345-2021
to get the appropriate form.

By Online Access

     You  can  make  exchanges  online  if  you  have  authorized  us to  accept
instructions  over the  Internet.  You can  authorize  this by  selecting  "Full
Services"  on your  application  or by calling us at  1-800-345-2021  to get the
appropriate form.

HOW TO REDEEM SHARES

     We will redeem or "buy back" your shares at any time.  Redemptions  will be
made at the next net asset value determined after a complete  redemption request
is received.

     Please  note that a request to redeem  shares in an IRA or 403(b) plan must
be  accompanied  by an  executed  IRS Form W4-P and a reason for  withdrawal  as
specified by the IRS.

By Mail

     Your  written  instructions  to  redeem  shares  may be  made  either  by a
redemption form,  which we will send to you upon request,  or by a letter to us.
Certain  redemptions  may require a signature  guarantee.  Please see "Signature
Guarantee," page 11.

By Telephone

     If you have authorized us to accept telephone instructions,  you may redeem
your shares by calling an Investor Services Representative.

By Check-A-Month

     You may redeem shares by Check-A-Month.  A Check-A-Month plan automatically
redeems  enough  shares  each month to provide you with a check in an amount you
choose  (minimum $50). To set up a Check-A-Month  plan,  please call and request
our Check-A-Month brochure.

Other Automatic Redemptions

     You may elect to make  redemptions  automatically by authorizing us to send
funds  directly  to  you  or to  your  account  at a  bank  or  other  financial
institution. To set up automatic redemptions,  call one of our Investor Services
Representatives.

REDEMPTION PROCEEDS

     Please  note that  shortly  after a purchase  of shares is made by check or
electronic  draft (also known as an ACH draft) from your bank, we may wait up to
15 days or longer to send  redemption  proceeds (to allow your purchase funds to
clear).  No interest is paid on the redemption  proceeds after the redemption is
processed but before your redemption proceeds are sent.

     Redemption proceeds may be sent to you in one of the following ways:

By Check

     Ordinarily,  all  redemption  checks will be made payable to the registered
owner of the shares and will be mailed only to the  address of record.  For more
information, please refer to our Investor Services Guide.

By Wire and ACH

     You may authorize us to transmit  redemption proceeds by wire or ACH. These
services will be effective 15 days after we receive the authorization.

     Your bank will usually receive wired funds within 48 hours of transmission.
Funds  transferred  by ACH may be received up to seven days after  transmission.
Wired  funds  are  subject  to a $10 fee to cover  bank wire  charges,  which is
deducted from redemption proceeds.  Once the funds are transmitted,  the time of
receipt and the funds' availability are not under our control.

REDEMPTION OF SHARES IN LOW-BALANCE ACCOUNTS

     Whenever  the  shares  held in an  account  have a value  of less  than the
required  minimum,  a letter will be sent advising you of the necessity to bring
the value


10 How to Invest with American Century Investments  American Century Investments


of the  shares  held in the  account up to the  minimum.  If action is not taken
within 90 days of the  letter's  date,  the shares held in the  account  will be
redeemed  and the  proceeds  from the  redemption  will be sent by check to your
address of record. We reserve the right to increase the investment minimums.

SIGNATURE GUARANTEE

     To protect  your  accounts  from fraud,  some  transactions  will require a
signature guarantee.  Which transactions will require a signature guarantee will
depend on which  service  options  you elect  when you open  your  account.  For
example, if you choose "In Writing Only," a signature guarantee will be required
when:

o    redeeming more than $25,000; or

o    establishing or increasing a Check-A-Month or automatic transfer on an
     existing account.

     You may obtain a signature  guarantee from a bank or trust company,  credit
union,  broker-dealer,  securities  exchange or association,  clearing agency or
savings association, as defined by federal law.

     For a more in-depth  explanation of our signature  guarantee  policy, or if
you live  outside  the  United  States  and  would  like to know how to obtain a
signature guarantee, please consult our Investor Services Guide.

     We reserve the right to require a signature  guarantee on any  transaction,
or to change this policy at any time.

SPECIAL SHAREHOLDER SERVICES

     We offer  several  service  options to make your account  easier to manage.
These are listed on the account  application.  Please make note of these options
and  elect  the ones  that are  appropriate  for you.  Be aware  that the  "Full
Services" option offers you the most flexibility. You will find more information
about each of these service options in our Investor Services Guide.

     Our special investor services include:

Automated Information Line

     We offer an Automated  Information Line, 24 hours a day, seven days a week,
at 1-800-345-8765.  By calling the Automated Information Line, you may listen to
Fund prices,  yields and total return  figures.  You may also use the  Automated
Information  Line to make  investments  into your accounts (if we have your bank
information  on file) and  obtain  your  share  balance,  value and most  recent
transactions.  If you have authorized us to accept telephone  instructions,  you
also may exchange shares from one fund to another via the Automated  Information
Line.  Redemption  instructions  cannot be given via the  Automated  Information
Line.

Online Account Access

     You   may   contact   us  24   hours   a  day,   seven   days  a  week   at
www.americancentury.com  to access  your  funds'  daily  share  prices,  receive
updates on major market indexes and view  historical  performance of your funds.
If you select "Full  Services" on your  application,  you can use your  personal
access code and Social Security number to view your account balances and account
activity,  make subsequent investments from your bank account or exchange shares
from one fund to another.

CheckWriting

     We offer  CheckWriting  as a service option for your account.  CheckWriting
allows you to redeem shares in your account by writing a draft ("check") against
your account  balance.  (Shares held in certificate  form may not be redeemed by
check.)  There is no limit on the number of checks  you can write,  but each one
must be for at least $100.

     When you write a check,  you will  continue  to  receive  dividends  on all
shares until your check is presented  for payment to our clearing  bank.  If you
redeem all shares in your  account by check,  any accrued  distributions  on the
redeemed  shares  will be paid to you in cash on the next  monthly  distribution
date.

     If  you  want  to add  CheckWriting  to an  existing  account  that  offers
CheckWriting, contact us by telephone or mail for an appropriate form. For a new
account, you may elect CheckWriting on your purchase application by choosing the
"Full Services" option. CheckWriting is not available for any account held in an
IRA or 403(b) plan.

     CheckWriting  redemptions  may  only  be  made on  checks  provided  by us.
Currently, there is no charge for checks or for the CheckWriting service.

     We will  return  checks  drawn  on  insufficient  funds  or on  funds  from
investments made by any means

Prospectus                  How to Invest with American Century Investments   11



other than by wire  within the  previous  15 days.  Neither  the company nor our
clearing bank will be liable for any loss or expenses  associated  with returned
checks.  Your  account may be assessed a $15 service  charge for checks drawn on
insufficient funds.

     A stop payment may be ordered on a check written  against your account.  We
will use reasonable  efforts to stop a payment,  but we cannot guarantee that we
will be able to do so. If we are successful in fulfilling a stop-payment  order,
your account may be assessed a $15 fee.

Tax-Qualified Retirement Plans

     The Fund is available for your tax-deferred  retirement plan. Call or write
us and request the appropriate forms for:

o    Individual Retirement Accounts (IRAs);

o    403(b) plans for employees of public school systems and non-profit
     organizations; or

o    Profit sharing plans and pension plans for corporations and other
     employers.

     If your IRA and  403(b)  accounts  do not total  $10,000,  each  account is
subject to an annual $10 fee, up to a total of $30 per year.

     You can also transfer your  tax-deferred plan to us from another company or
custodian. Call or write us for a Request to Transfer form.

IMPORTANT POLICIES REGARDING YOUR INVESTMENTS

     Every  account is subject to policies  that could  affect your  investment.
Please refer to the Investor  Services Guide for further  information  about the
policies discussed below, as well as further detail about the services we offer.

(1)   We reserve the right for any reason to suspend the  offering of shares for
      a period of time,  or to reject any  specific  purchase  order  (including
      purchases by exchange). Additionally,  purchases may be refused if, in the
      opinion  of the  Manager,  they  are  of a size  that  would  disrupt  the
      management of the Fund.

(2)   We  reserve   the  right  to  make   changes  to  any  stated   investment
      requirements,  including  those that relate to  purchases,  transfers  and
      redemptions.  In  addition,  we may also alter,  add to or  terminate  any
      investor services and privileges.  Any changes may affect all shareholders
      or only certain series or classes of shareholders.

(3)   Shares  being  acquired  must be  qualified  for  sale in  your  state  of
      residence.

(4)   Transactions  requesting a specific  price and date will be refused.  Once
      you have mailed or otherwise transmitted your transaction  instructions to
      us, they may not be modified or canceled.

(5)   If a transaction  request is made by a  corporation,  partnership,  trust,
      fiduciary, agent or unincorporated  association,  we will require evidence
      satisfactory to us of the authority of the individual making the request.

(6)   We have  established  procedures  designed to assure the  authenticity  of
      instructions  received by telephone.  These procedures  include requesting
      personal  identification  from callers,  recording  telephone  calls,  and
      providing   written   confirmations  of  telephone   transactions.   These
      procedures  are  designed to protect  shareholders  from  unauthorized  or
      fraudulent  instructions.  If we do not employ  reasonable  procedures  to
      confirm the genuineness of instructions,  then we may be liable for losses
      due to unauthorized or fraudulent instructions.  The company, its transfer
      agent and investment  advisor will not be responsible  for any loss due to
      instructions they reasonably believe are genuine.

(7)   All signatures  should be exactly as the name appears in the registration.
      If the owner's name appears in the  registration as Mary Elizabeth  Jones,
      she should sign that way and not as Mary E. Jones.

(8)   Unusual stock market  conditions  have in the past resulted in an increase
      in the number of shareholder telephone calls. If you experience difficulty
      in  reaching  us  during  such  periods,  you may  send  your  transaction
      instructions by mail,  express mail or courier  service,  or you may visit
      one of our Investor  Centers.  You may also use our Automated  Information
      Line if you  have  requested  and  received  an  access  code  and are not
      attempting to redeem shares.

(9)   If  you  fail  to  provide  us  with  the   correct   certified   taxpayer
      identification  number,  we may reduce any  redemption  proceeds by $50 to
      cover the penalty the IRS will impose on us for


12 How to Invest with American Century Investments  American Century Investments


      failure  to  report  your  correct  taxpayer   identification   number  on
      information reports.

(10)  We will perform special inquiries on shareholder  accounts. A research fee
      of $15 per hour may be applied.

REPORTS TO SHAREHOLDERS

     At the end of  each  calendar  quarter,  we will  send  you a  consolidated
statement that summarizes all of your American Century  holdings,  as well as an
individual  statement  for  each  fund you own that  reflects  all  year-to-date
activity in your account.  You may request a statement of your account  activity
at any time.

     With the  exception of most  automatic  transactions  and  transactions  by
CheckWriting, each time you invest, redeem, transfer or exchange shares, we will
send  you  a  confirmation  of  the  transaction.   Transactions   initiated  by
CheckWriting  will be confirmed on a monthly  basis.  See the Investor  Services
Guide for more detail.

     CAREFULLY  REVIEW ALL THE  INFORMATION  RELATING  TO  TRANSACTIONS  ON YOUR
STATEMENTS  AND  CONFIRMATIONS  TO ENSURE THAT YOUR  INSTRUCTIONS  WERE ACTED ON
PROPERLY.  PLEASE NOTIFY US IMMEDIATELY IN WRITING IF THERE IS AN ERROR.  IF YOU
FAIL TO PROVIDE  NOTIFICATION  OF AN ERROR  WITH  REASONABLE  PROMPTNESS,  I.E.,
WITHIN 30 DAYS OF  NON-AUTOMATIC  TRANSACTIONS  OR WITHIN 30 DAYS OF THE DATE OF
YOUR CONSOLIDATED QUARTERLY STATEMENT, IN THE CASE OF AUTOMATIC TRANSACTIONS, WE
WILL DEEM YOU TO HAVE RATIFIED THE TRANSACTION.

     No later than January 31 of each year, we will send you reports that you
may use in completing your U.S. income tax return. See the Investor Services
Guide for more information.

     Each year, we will send you an annual and a semiannual  report  relating to
your fund, each of which is incorporated herein by reference.  The annual report
includes audited financial  statements and a list of portfolio  securities as of
the  fiscal  year  end.  The  semiannual  report  includes  unaudited  financial
statements  for the first six  months of the fiscal  year,  as well as a list of
portfolio  securities at the end of the period. You also will receive an updated
prospectus at least once each year.  Please read these materials  carefully,  as
they will help you understand your Fund.

EMPLOYER-SPONSORED RETIREMENT PLANS AND
INSTITUTIONAL ACCOUNTS

     Information   contained  in  our  Investor   Services   Guide  pertains  to
shareholders  who invest  directly with American  Century rather than through an
employer-sponsored retirement plan or through a financial intermediary.

     If  you  own  or  are   considering   purchasing  Fund  shares  through  an
employer-sponsored retirement plan, your ability to purchase shares of the Fund,
exchange them for shares of other American  Century funds,  and redeem them will
depend on the terms of your plan.

     If you  own or are  considering  purchasing  Fund  shares  through  a bank,
broker-dealer,  insurance company or other financial intermediary,  your ability
to purchase,  exchange and redeem shares will depend on your agreement with, and
the policies of, such financial intermediary.

     You may reach one of our Institutional  Service  Representatives by calling
1-800-345-3533 to request information about our funds and services,  to obtain a
current  prospectus or to get answers to any questions  about our funds that you
are unable to obtain through your plan administrator or financial intermediary.


Prospectus                  How to Invest with American Century Investments   13


                   ADDITIONAL INFORMATION YOU SHOULD KNOW

SHARE PRICE

WHEN SHARE PRICE IS DETERMINED

     The price of your shares is also referred to as their net asset value.  Net
asset value is determined by  calculating  the total value of the Fund's assets,
deducting  total  liabilities  and  dividing  the result by the number of shares
outstanding.  For all American  Century  funds except  American  Century  Target
Maturities  Trust, net asset value is determined at the close of regular trading
on each day that the New York Stock  Exchange  is open,  usually 3 p.m.  Central
time. Net asset value for Target  Maturities is determined one hour prior to the
close of the Exchange.

     Investments  and  requests  to redeem or exchange  shares will  receive the
share price next determined after receipt by us of the investment, redemption or
exchange  request.  For example,  investments and requests to redeem or exchange
shares of a fund  received by us or one of our agents before the net asset value
of the fund is  determined,  are  effective  on,  and  will  receive  the  price
determined,  that day.  Investment,  redemption and exchange  requests  received
thereafter  are effective on, and receive the price  determined on, the next day
the Exchange is open.

     Investments  are  considered  received only when payment is received by us.
Wired funds are  considered  received on the day they are  deposited in our bank
account if they are deposited before the net asset value is determined.

     Investments by telephone pursuant to your prior authorization to us to draw
on your bank account are considered received at the time of your telephone call.

     Investment and transaction  instructions received by us on any business day
by mail before the net asset value is determined  will receive that day's price.
Investments  and  instructions  received  after that time will receive the price
determined on the next business day.

     If you invest in Fund shares through an employer-sponsored  retirement plan
or  other  financial  intermediary,  it  is  the  responsibility  of  your  plan
recordkeeper or financial  intermediary to transmit your purchase,  exchange and
redemption requests to the Fund's transfer agent prior to the applicable cut-off
time for receiving  orders and to make payment for any purchase  transactions in
accordance with the Fund's  procedures or any contractual  arrangement  with the
Fund or the Fund's distributor in order for you to receive that day's price.

HOW SHARE PRICE IS DETERMINED

     Pursuant to a  determination  by the Fund's Board of Trustees and Rule 2a-7
under the Investment Company Act of 1940,  portfolio  securities of the Fund are
valued at amortized  cost.  When a security is valued at amortized  cost,  it is
valued at its cost  when  purchased,  and  thereafter  by  assuming  a  constant
amortization to maturity of any discount or premium, regardless of the impact of
fluctuating interest rates on the market value of the instrument.

WHERE TO FIND YIELD INFORMATION

     The yield of the Fund is published weekly in leading financial publications
and daily in many local  newspapers.  Yield  information may also be obtained by
calling us or by accessing our Web site at www.americancentury.com.

DISTRIBUTIONS

     At the  close  of each  day  including  Saturdays,  Sundays  and  holidays,
dividends are declared and credited (i.e.,  available for redemption)  daily and
distributed monthly on the last Friday of each month.

     You will  begin to  participate  in the  distributions  the day AFTER  your
purchase is effective.  See "When Share Price is Determined,"  this page. If you
redeem  shares,  you will receive the  distribution  declared for the day of the
redemption.  If all  shares  are  redeemed  (other  than by  CheckWriting),  the
distribution  on the  redeemed  shares  will be  included  with your  redemption
proceeds.

     The Fund does not  expect to  realize  any  long-term  capital  gains  and,
accordingly, does not expect to make any capital gains distributions.


14   Additional Information You Should Know         American Century Investments


     Participants  in  employer-sponsored   retirement  or  savings  plans  must
reinvest all distributions. For shareholders investing through taxable accounts,
distributions  will be  reinvested  unless  you elect to  receive  them in cash.
Distributions of less than $10 generally will be reinvested.  Distributions made
shortly  after a  purchase  by check  or ACH may be held up to 15 days.  You may
elect to have distributions on shares held in Individual Retirement Accounts and
403(b)  plans  paid  in  cash  only  if you are at  least  59 1/2  years  old or
permanently and totally disabled. Distribution checks normally are mailed within
seven days after the record date. Please consult our Investor Services Guide for
further information regarding your distribution options.

TAXES

     The Fund has elected to be taxed under Subchapter M of the Internal Revenue
Code,  which means that to the extent its income is distributed to shareholders,
it pays no income taxes.

TAX-DEFERRED ACCOUNTS

     If Fund  shares are  purchased  through  tax-deferred  accounts,  such as a
qualified  employer-sponsored  retirement  or savings  plan,  income and capital
gains  distributions  paid by the Fund will  generally not be subject to current
taxation,  but will  accumulate in your account under the plan on a tax-deferred
basis.

     Employer-sponsored retirement and savings plans are governed by complex tax
rules.  If you elect to participate in your employer's  plan,  consult your plan
administrator,  your plan's  summary plan  description,  or a  professional  tax
advisor   regarding  the  tax   consequences  of   participation  in  the  plan,
contributions to, and withdrawals or distributions from the plan.

TAXABLE ACCOUNTS

     If Fund shares are purchased through taxable accounts, distributions of net
investment  income  and net  short-term  capital  gains  are  taxable  to you as
ordinary income, except as described below. The dividends from net income of the
Fund do not qualify for the 70%  dividends-received  deduction for  corporations
since they are derived from interest income.

     Distributions  are taxable to you  regardless  of whether they are taken in
cash or reinvested,  even if the value of your shares is below your cost. If you
purchase shares shortly before a capital gain distribution,  you must pay income
taxes on the  distribution,  even though the value of your investment (plus cash
received, if any) will not have increased.

     In January of the year following the  distribution,  if you own shares in a
taxable account, you will receive a Form 1099-DIV notifying you of the status of
your distributions for federal income tax purposes.

     Distributions  may also be subject to state and local taxes, even if all or
a  substantial  part of such  distribution  are  derived  from  interest on U.S.
government  obligations  which,  if you received them directly,  would be exempt
from state income tax. However, most but not all states allow this tax exemption
to pass  through  to fund  shareholders  when a fund pays  distributions  to its
shareholders.  You should  consult your tax advisor about the tax status of such
distributions in your own state.

     If you have not complied with certain  provisions  of the Internal  Revenue
Code and  Regulations,  we are  required by federal law to withhold and remit to
the IRS 31% of reportable  payments (which may include dividends,  capital gains
distributions  and redemptions).  Those regulations  require you to certify that
the Social Security number or tax  identification  number you provide is correct
and that you are not subject to 31% withholding for previous  under-reporting to
the  IRS.  You  will be asked  to make  the  appropriate  certification  on your
application.  Payments  reported by us that omit your Social  Security number or
tax  identification  number will  subject us to a penalty of $50,  which will be
charged  against  your account if you fail to provide the  certification  by the
time the report is filed. That charge is not refundable.

MANAGEMENT

INVESTMENT MANAGEMENT

     American   Century-Benham  Capital  Preservation  Fund  is  a  diversified,
open-end  series of American  Century  Government  Income  Trust (the  "Trust"),
organized as a Massachusetts  business trust on July 24, 1985, formerly known as
the  Benham  Government  Income  Trust.  Under the laws of the  Commonwealth  of
Massachusetts,  the Board of Trustees is  responsible  for managing the business
and affairs of the Trust.

     Acting pursuant to an investment management agreement entered into with the
Trust, American


Prospectus                       Additional Information You Should Know    15


Century  Investment  Management,  Inc. (the "Manager")  serves as the investment
manager  of the Fund.  The  Manager  pays all the  expenses  of the Fund  except
brokerage,  taxes,  interest,  fees and  expenses of the  non-interested  person
Trustees  (including  counsel fees) and  extraordinary  expenses.  Its principal
place of business is  American  Century  Tower 4500 Main  Street,  Kansas  City,
Missouri 64111. The Manager has been providing  investment  advisory services to
investment companies and other clients since 1958.

     The Manager supervises and manages the investment portfolio of the Fund and
directs the purchase and sale of its investment  securities.  It utilizes a team
of portfolio managers, assistant portfolio managers and analysts acting together
to manage the assets of the Fund. The team meets  regularly to review  portfolio
holdings  and to discuss  purchase  and sale  activity.  The Fund's team adjusts
holdings  in the  portfolio  as it deems  appropriate  in  pursuit of the Fund's
investment objectives. Individual portfolio manager members of the team may also
adjust portfolio holdings of the Fund as necessary between team meetings.

     The portfolio  manager members of the team managing the Fund and their work
experience for the last five years are as follows:

     AMY O'DONNELL has been primarily  responsible for the day-to-day management
of Capital  Preservation since May, 1997. Ms. O'Donnell joined Benham Management
Corporation ("BMC"), a predecessor of the Manager, in 1987 as a research analyst
and was promoted to her current position in 1992.

     DENISE TABACCO has co-managed Capital Preservation since January, 1996. Ms.
Tabacco joined BMC in 1988, the Portfolio Department in 1991 and was promoted to
her current position in 1995.

     The activities of the Manager are subject only to direction of the Board of
Trustees.  Each  series  of the Trust  (except  Capital  Preservation)  pays the
Manager a monthly  investment  advisory  fee equal to its pro rata  share of the
dollar amount  derived from applying the Trust's  average daily net assets to an
investment advisory fee schedule.

     For the services provided to Capital  Preservation,  the Manager receives a
monthly fee based on a  percentage  of the  average net assets of the Fund.  The
annual rate at which this fee is assessed  is  determined  monthly in a two-step
process: First, a fee rate schedule is applied to the assets of all of the money
market funds managed by the Manager (the "Investment  Category Fee").  Second, a
separate  fee rate  schedule is applied to the assets of all of the mutual funds
managed by the Manager (the "Complex Fee"). The Investment  Category Fee and the
Complex Fee are then added to determine  the unified  management  fee payable by
the Fund to the Manager. Currently the Investment Category Fee is an annual rate
of 0.18% of the  average  net assets of the Fund.  The  Complex Fee is an annual
rate of 0.30% of the average net assets of the Fund.  Further  information about
the  calculation  of the annual  management fee is contained in the Statement of
Additional Information.

     On the first business day of each month,  the Fund pays a management fee to
the  Manager  for the  previous  month at the  specified  rate.  The fee for the
previous month is calculated by  multiplying  the applicable fee for the Fund by
the  aggregate  average  daily closing value of the Fund's net assets during the
previous  month by a fraction,  the  numerator of which is the number of days in
the previous month and the denominator of which is 365 (366 in leap years).

CODE OF ETHICS

     The Fund and the Manager  have  adopted a Code of Ethics,  which  restricts
personal  investing  practices by  employees of the Manager and its  affiliates.
Among other  provisions,  the Code of Ethics requires that employees with access
to information  about the purchase or sale of securities in the Fund's portfolio
obtain  preclearance before executing personal trades. With respect to Portfolio
Managers  and  other  investment   personnel,   the  Code  of  Ethics  prohibits
acquisition  of securities  in an initial  public  offering,  as well as profits
derived from the purchase and sale of the same security within 60 calendar days.
These  provisions  are  designed  to  ensure  that  the  interests  of the  Fund
shareholders come before the interests of the people who manage the Fund.

TRANSFER AND ADMINISTRATIVE SERVICES

     American  Century  Services  Corporation,  4500 Main  Street,  Kansas City,
Missouri,  64111.  It acts as transfer agent and  dividend-paying  agent for the
Fund.  It provides  facilities,  equipment and personnel to the Fund and is paid
for such services by the Manager.


16  Additional Information You Should Know          American Century Investments



     Certain  recordkeeping and administrative  services that would otherwise be
performed  by the transfer  agent may be  performed  by an insurance  company or
other  entity  providing  similar  services for various  retirement  plans using
shares of the Fund as a funding medium, by broker-dealers and financial advisors
for their  customers  investing in shares of American  Century or by sponsors of
multi  mutual  fund no- or  low-transaction  fee  programs.  The  Manager  or an
affiliate  may  enter  into  contracts  to pay them for such  recordkeeping  and
administrative services out of its management fee.

     Although  there is no sales  charge  levied  by the Fund,  transactions  in
shares of the Fund may be executed by brokers or investment  advisors who charge
a transaction-based  fee or other fee for their services.  Such charges may vary
among  broker-dealers and financial advisors,  but in all cases will be retained
by the  broker-dealer  or financial  advisor and not remitted to the Fund or the
Manager.  You  should be aware of the fact that these  transactions  may be made
directly with American Century without incurring such fees.

     From time to time,  special  services  may be offered to  shareholders  who
maintain  higher  share  balances  in our family of funds.  These  services  may
include the waiver of minimum investment requirements, expedited confirmation of
shareholder  transactions,  newsletters and a team of personal  representatives.
Any expenses  associated with these special services will be paid by the Manager
or its affiliates.

     The  Manager  and the  transfer  agent are both  wholly  owned by  American
Century Companies, Inc. James E. Stowers Jr., Chairman of the Board of Directors
of American Century Companies, Inc. owns a majority of its common stock.

DISTRIBUTION OF FUND SHARES

     The Fund's shares are distributed by American Century Investment  Services,
Inc. (the  "Distributor"),  a registered  broker-dealer  and an affiliate of the
Manager. The Manager pays all expenses for promoting and distributing the Fund's
shares.

FURTHER INFORMATION ABOUT AMERICAN CENTURY

     The Trust is an  open-end  management  investment  company.  Its  principal
office is American  Century  Tower,  4500 Main Street,  P.O. Box 419200,  Kansas
City, Missouri 64141-6200.  All inquiries may be made by mail to that address or
by telephone to 1-800-345-2021 (international calls: 816-531-5575).

     The Fund is an  individual  series of the Trust which issues shares with no
par value.  The assets belonging to each series of shares are held separately by
the custodian and in effect each series is a separate fund.

     Each share is entitled to one vote.  Matters  affecting only one series are
voted upon only by that series.

     Shares have non-cumulative  voting rights,  which means that the holders of
more than 50% of the votes cast in an election of Trustees  can elect all of the
Trustees if they choose to do so, and in such event the holders of the remaining
votes will not be able to elect any person or persons to the Board of Trustees.

     Unless required by the Investment Company Act, it will not be necessary for
the Trust to hold annual meetings of shareholders. As a result, shareholders may
not vote each year on the election of Trustees or the  appointment  of auditors.
However,  pursuant to the Trust's by-laws, the holders of shares representing at
least 10% of the votes  entitled  to be cast may  request  that the Trust hold a
special meeting of shareholders.  We will assist in the communication with other
shareholders.

     WE  RESERVE  THE  RIGHT  TO  CHANGE  ANY OF  THE  POLICIES,  PRACTICES  AND
PROCEDURES  DESCRIBED IN THIS PROSPECTUS,  INCLUDING THE STATEMENT OF ADDITIONAL
INFORMATION,  WITHOUT  SHAREHOLDER  APPROVAL  EXCEPT  IN THOSE  INSTANCES  WHERE
SHAREHOLDER APPROVAL IS EXPRESSLY REQUIRED.

     THIS PROSPECTUS CONSTITUTES AN OFFER TO SELL SECURITIES OF THE FUND ONLY IN
THOSE STATES WHERE THE FUND'S SHARES HAVE BEEN REGISTERED OR OTHERWISE QUALIFIED
FOR SALE. THE FUND WILL NOT ACCEPT  APPLICATIONS FROM PERSONS RESIDING IN STATES
WHERE THE FUND'S SHARES ARE NOT REGISTERED.


Prospectus                        Additional Information You Should Know   17


                                    NOTES

18   Notes                                        American Century Investments


                                    NOTES

                                                                  Notes    19


                                    NOTES

20   Notes                                        American Century Investments


                                    NOTES

                                                                  Notes    21


P.O. Box 419200
Kansas City, Missouri
64141-6200

Person-to-person assistance:
1-800-345-2021 or 816-531-5575

Automated Information Line:
1-800-345-8765

Telecommunications Device for the Deaf:
1-800-634-4113 or 816-444-3485

Fax: 816-340-7962

Internet: www.americancentury.com

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