<ARTICLE>                     5
<LEGEND>
THIS SCHEDULED  CONTAINS  SUMMARY  INFORMATION  EXTRACTED FROM THE  CONSOLIDATED
BALANCE  SHEETS ON THE FORM 10-K FOR THE PERIOD ENDED  DECEMBER 31, 1998 AND THE
CONSOLIDATED  STATEMENT OF OPERATIONS AS FILED ON FORM 10-K FOR THE PERIOD ENDED
DECEMBER  31,  1998  AND IS  QUALIFIED  IN ITS  ENTIRETY  BY  REFERENCE  TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>                  
<MULTIPLIER>                                   1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-START>                                 JAN-01-1998
<PERIOD-END>                                   DEC-31-1998
<CASH>                                            62,904
<SECURITIES>                                      48,922
<RECEIVABLES>                                     96,925
<ALLOWANCES>                                       7,171
<INVENTORY>                                       11,093
<CURRENT-ASSETS>                                 241,647
<PP&E>                                           112,664
<DEPRECIATION>                                    77,266
<TOTAL-ASSETS>                                   486,715
<CURRENT-LIABILITIES>                            122,682
<BONDS>                                                0
<PREFERRED-MANDATORY>                                  0
<PREFERRED>                                            0
<COMMON>                                             265
<OTHER-SE>                                       290,046
<TOTAL-LIABILITY-AND-EQUITY>                     486,715
<SALES>                                          482,377
<TOTAL-REVENUES>                                 482,377
<CGS>                                            190,249
<TOTAL-COSTS>                                    190,249
<OTHER-EXPENSES>                                 305,193
<LOSS-PROVISION>                                       0
<INTEREST-EXPENSE>                                     0
<INCOME-PRETAX>                                   (4,429)
<INCOME-TAX>                                        (796)
<INCOME-CONTINUING>                               (3,633)
<DISCONTINUED>                                         0
<EXTRAORDINARY>                                        0
<CHANGES>                                              0
<NET-INCOME>                                      (3,633)
<EPS-PRIMARY>                                      (0.15)
<EPS-DILUTED>                                      (0.15)