<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL DATA EXTRACTED FROM THE COMPANY'S CONSOLIDATED FINANCIAL STATEMENTS FOR THE QUARTER ENDED DECEMBER 31, 1997 INCLUDED IN PART I FINANCIAL INFORMATION AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> SEP-30-1998 <PERIOD-END> DEC-31-1997 <CASH> 51,490 <SECURITIES> 0 <RECEIVABLES> 9,420 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 71,018 <PP&E> 11,306 <DEPRECIATION> 7,720 <TOTAL-ASSETS> 88,687 <CURRENT-LIABILITIES> 18,767 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 3,400 <OTHER-SE> 67,080 <TOTAL-LIABILITY-AND-EQUITY> 88,687 <SALES> 20,979 <TOTAL-REVENUES> 20,979 <CGS> 13,086 <TOTAL-COSTS> 17,227 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 4,410 <INCOME-TAX> 1,588 <INCOME-CONTINUING> 2,822 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,822 <EPS-PRIMARY> .60 <EPS-DILUTED> .59