<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S FORM 10-Q QUARTERLY REPORT UNDER THE SECURITIES ACT OF 1934 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> JAN-31-2001
<PERIOD-START> FEB-01-2000
<PERIOD-END> APR-30-2000
<CASH> 85,270,270
<SECURITIES> 25,789,033
<RECEIVABLES> 15,678,117
<ALLOWANCES> 1,208,367
<INVENTORY> 0
<CURRENT-ASSETS> 128,658,561
<PP&E> 5,107,339
<DEPRECIATION> 2,652,293
<TOTAL-ASSETS> 155,245,705
<CURRENT-LIABILITIES> 30,253,082
<BONDS> 0
0
0
<COMMON> 39,276
<OTHER-SE> 119,356,261
<TOTAL-LIABILITY-AND-EQUITY> 155,245,705
<SALES> 11,613,020
<TOTAL-REVENUES> 21,155,291
<CGS> 463,604
<TOTAL-COSTS> 14,713,967
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 8,222,348
<INCOME-TAX> 3,510,709
<INCOME-CONTINUING> 4,711,639
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 4,711,639
<EPS-BASIC> 0.12
<EPS-DILUTED> 0.12
</TABLE>