<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-31-1997 <CASH> 25,596 <SECURITIES> 12,854 <RECEIVABLES> 23,196 <ALLOWANCES> 2,713 <INVENTORY> 11,237 <CURRENT-ASSETS> 82,598 <PP&E> 25,406 <DEPRECIATION> 20,113 <TOTAL-ASSETS> 89,857 <CURRENT-LIABILITIES> 20,936 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 68,608 <OTHER-SE> 60 <TOTAL-LIABILITY-AND-EQUITY> 68,668 <SALES> 31,064<F1> <TOTAL-REVENUES> 31,064 <CGS> 18,061<F2> <TOTAL-COSTS> 18,061 <OTHER-EXPENSES> 12,250 <LOSS-PROVISION> 31 <INTEREST-EXPENSE> 22 <INCOME-PRETAX> 1,421 <INCOME-TAX> 569 <INCOME-CONTINUING> 852 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 852 <EPS-PRIMARY> 0.05 <EPS-DILUTED> 0.05 <FN> <F1>INCLUDES REVENUES FROM LICENSING OF SOFTWARE AND SUPPORT SERVICES. <F2>INCLUDES COSTS FROM LICENSING OF SOFTWARE AND SUPPORT SERVICES. </FN>