<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                          21,240
<SECURITIES>                                    10,240
<RECEIVABLES>                                   27,754
<ALLOWANCES>                                     2,606
<INVENTORY>                                     15,412
<CURRENT-ASSETS>                                79,646
<PP&E>                                          26,964
<DEPRECIATION>                                  22,540
<TOTAL-ASSETS>                                  86,514
<CURRENT-LIABILITIES>                           25,835
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        58,630
<OTHER-SE>                                       1,889
<TOTAL-LIABILITY-AND-EQUITY>                    86,514
<SALES>                                        133,400<F1>
<TOTAL-REVENUES>                               133,400
<CGS>                                           81,075<F2>
<TOTAL-COSTS>                                   81,075
<OTHER-EXPENSES>                                50,589
<LOSS-PROVISION>                                    26
<INTEREST-EXPENSE>                                  51
<INCOME-PRETAX>                                  3,831
<INCOME-TAX>                                     1,150
<INCOME-CONTINUING>                              2,681
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,681
<EPS-PRIMARY>                                     0.16
<EPS-DILUTED>                                     0.15
<FN>
<F1>INCLUDES REVENUES FROM LICENSING OF SOFTWARE AND SUPPORT REVENUES.
<F2>INCLUDES COSTS FROM LICENSING OF SOFTWARE AND SUPPORT REVENUES.
</FN>