<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FORM
10-Q FOR THE PERIOD ENDED JULY 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JAN-31-2001
<PERIOD-START> FEB-01-2000
<PERIOD-END> JUL-31-2000
<CASH> 10,874
<SECURITIES> 15,838
<RECEIVABLES> 9,334
<ALLOWANCES> 250
<INVENTORY> 0
<CURRENT-ASSETS> 31,490
<PP&E> 11,240
<DEPRECIATION> 4,925
<TOTAL-ASSETS> 45,810
<CURRENT-LIABILITIES> 7,280
<BONDS> 0
0
0
<COMMON> 15
<OTHER-SE> 35,769
<TOTAL-LIABILITY-AND-EQUITY> 45,810
<SALES> 14,507
<TOTAL-REVENUES> 14,507
<CGS> 8,682
<TOTAL-COSTS> 8,682
<OTHER-EXPENSES> 14,518
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 623
<INCOME-PRETAX> (8,070)
<INCOME-TAX> (486)
<INCOME-CONTINUING> (8,556)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (8,556)
<EPS-BASIC> (0.58)
<EPS-DILUTED> (0.58)
</TABLE>