<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 14,877 <SECURITIES> 2,376 <RECEIVABLES> 22,828 <ALLOWANCES> 1,426 <INVENTORY> 15,985 <CURRENT-ASSETS> 61,554 <PP&E> 29,328 <DEPRECIATION> 24,764 <TOTAL-ASSETS> 73,912 <CURRENT-LIABILITIES> 24,680 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 60,198 <OTHER-SE> (10,985) <TOTAL-LIABILITY-AND-EQUITY> 73,912 <SALES> 54,298<F1> <TOTAL-REVENUES> 54,298 <CGS> 31,535<F2> <TOTAL-COSTS> 31,535 <OTHER-EXPENSES> 26,874 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 3 <INCOME-PRETAX> (3,771) <INCOME-TAX> 0 <INCOME-CONTINUING> (3,771) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (3,771) <EPS-BASIC> (0.23) <EPS-DILUTED> (0.23) <FN> <F1>INCLUDES REVENUES FROM LICENSING OF SOFTWARE AND SUPPORT SERVICES <F2>INCLUDES COSTS FROM LICENSING OF SOFTWARE AND SUPPORT SERVICES </FN>