<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                          23,832
<SECURITIES>                                    11,839
<RECEIVABLES>                                   24,152
<ALLOWANCES>                                     2,603
<INVENTORY>                                      9,776
<CURRENT-ASSETS>                                78,935
<PP&E>                                          24,234
<DEPRECIATION>                                  19,339
<TOTAL-ASSETS>                                  85,693
<CURRENT-LIABILITIES>                           17,954
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        68,217
<OTHER-SE>                                       (792)
<TOTAL-LIABILITY-AND-EQUITY>                    85,693
<SALES>                                        120,608<F1>
<TOTAL-REVENUES>                               120,608
<CGS>                                           80,484<F2>
<TOTAL-COSTS>                                   80,484
<OTHER-EXPENSES>                                57,365
<LOSS-PROVISION>                                   645
<INTEREST-EXPENSE>                                  68
<INCOME-PRETAX>                                (8,721)
<INCOME-TAX>                                   (3,489)
<INCOME-CONTINUING>                            (5,232)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (5,232)
<EPS-PRIMARY>                                   (0.32)
<EPS-DILUTED>                                   (0.32)
<FN>
<F1>Includes revenues from licensing of software and support services
<F2>Includes costs from licensing of software and support services
</FN>