<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> JAN-31-1999 <PERIOD-START> FEB-01-1998 <PERIOD-END> JUL-31-1998 <F1> <CASH> 43,402 <SECURITIES> 249,998 <RECEIVABLES> 91,043 <ALLOWANCES> 6,964 <INVENTORY> 6,358 <CURRENT-ASSETS> 429,374 <PP&E> 147,693 <DEPRECIATION> 108,391 <TOTAL-ASSETS> 605,852 <CURRENT-LIABILITIES> 213,974 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 337,284 <OTHER-SE> 52,095 <TOTAL-LIABILITY-AND-EQUITY> 605,852 <SALES> 373,844 <TOTAL-REVENUES> 373,844 <CGS> 38,398 <TOTAL-COSTS> 263,416 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 1,163 <INTEREST-EXPENSE> 296 <INCOME-PRETAX> 79,513 <INCOME-TAX> 32,381 <INCOME-CONTINUING> 47,132 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 47,132 <EPS-PRIMARY> 1.01 <EPS-DILUTED> 0.95 <FN> <F1> Certain information for the 6 months ended July 31, 1998 has been restated to reflect the adjustment described at Note 1 to the Company's condensed consolidated Financial Statements. </FN>