<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> SEP-30-1999 <PERIOD-START> OCT-01-1998 <PERIOD-END> MAR-31-1999 <EXCHANGE-RATE> 1 <CASH> 12,629 <SECURITIES> 30,601 <RECEIVABLES> 27,547 <ALLOWANCES> 1,725 <INVENTORY> 0 <CURRENT-ASSETS> 77,213 <PP&E> 22,141 <DEPRECIATION> 12,888 <TOTAL-ASSETS> 103,748 <CURRENT-LIABILITIES> 57,668 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 126 <OTHER-SE> 44,425 <TOTAL-LIABILITY-AND-EQUITY> 103,748 <SALES> 17,775 <TOTAL-REVENUES> 61,448 <CGS> 4,280 <TOTAL-COSTS> 23,992 <OTHER-EXPENSES> 35,558 <LOSS-PROVISION> 175 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 2,465 <INCOME-TAX> 789 <INCOME-CONTINUING> 1,676 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,676 <EPS-PRIMARY> 0.13 <EPS-DILUTED> 0.13