<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
FOR PERIOD ENDED JULY 31, 1997, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JAN-31-1998
<PERIOD-START>                             FEB-01-1997
<PERIOD-END>                               JUL-31-1997
<CASH>                                           8,963
<SECURITIES>                                    19,809
<RECEIVABLES>                                    3,647
<ALLOWANCES>                                     (100)
<INVENTORY>                                          0
<CURRENT-ASSETS>                                27,737
<PP&E>                                           3,455
<DEPRECIATION>                                 (1,667)
<TOTAL-ASSETS>                                  39,149
<CURRENT-LIABILITIES>                            8,308
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            10
<OTHER-SE>                                      30,331
<TOTAL-LIABILITY-AND-EQUITY>                    39,149
<SALES>                                         11,087
<TOTAL-REVENUES>                                11,087
<CGS>                                            3,462
<TOTAL-COSTS>                                    3,462
<OTHER-EXPENSES>                                 5,308
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (653)
<INCOME-PRETAX>                                  2,970
<INCOME-TAX>                                     1,129
<INCOME-CONTINUING>                              1,841
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,841
<EPS-PRIMARY>                                      .16
<EPS-DILUTED>                                      .16