<ARTICLE> 5
<MULTIPLIER> 1
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAR-31-1996
<PERIOD-START>                             APR-01-1995
<PERIOD-END>                               MAR-31-1996
<CASH>                                          28,829
<SECURITIES>                                    87,833
<RECEIVABLES>                                   18,978
<ALLOWANCES>                                     4,377
<INVENTORY>                                      1,508
<CURRENT-ASSETS>                               140,946
<PP&E>                                          20,474
<DEPRECIATION>                                   8,255
<TOTAL-ASSETS>                                 155,122
<CURRENT-LIABILITIES>                           21,886
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            36
<OTHER-SE>                                     133,145
<TOTAL-LIABILITY-AND-EQUITY>                   155,122
<SALES>                                        112,577
<TOTAL-REVENUES>                               116,691
<CGS>                                           17,295
<TOTAL-COSTS>                                   19,600
<OTHER-EXPENSES>                                69,411
<LOSS-PROVISION>                                   740
<INTEREST-EXPENSE>                                   3
<INCOME-PRETAX>                                 31,781
<INCOME-TAX>                                     8,779
<INCOME-CONTINUING>                             23,002
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    23,002
<EPS-PRIMARY>                                     0.59
<EPS-DILUTED>                                     0.59