<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEET ON FORM 10Q FOR THE PERIOD ENDED MAY 31, 1998 AND THE CONSOLIDATED STATEMENT OF OPERATIONS AS FILED ON FORM 10Q FOR THE THREE AND SIX MONTHS ENDED MAY 31, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 6-MOS <FISCAL-YEAR-END> NOV-30-1998 NOV-30-1998 <PERIOD-START> MAR-01-1998 DEC-01-1997 <PERIOD-END> MAY-31-1998 MAY-31-1998 <CASH> 2,984 2,984 <SECURITIES> 30,918 30,918 <RECEIVABLES> 6,244 6,244 <ALLOWANCES> 397 397 <INVENTORY> 661 661 <CURRENT-ASSETS> 41,065 41,065 <PP&E> 12,312 12,312 <DEPRECIATION> 3,618 3,618 <TOTAL-ASSETS> 50,352 50,352 <CURRENT-LIABILITIES> 16,258 16,258 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 83 83 <OTHER-SE> 34,011 34,011 <TOTAL-LIABILITY-AND-EQUITY> 50,352 50,352 <SALES> 9,637 20,158 <TOTAL-REVENUES> 9,637 20,158 <CGS> 3,759 7,852 <TOTAL-COSTS> 3,759 7,852 <OTHER-EXPENSES> 9,482 17,133 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 0 0 <INCOME-PRETAX> (3,350) (4,102) <INCOME-TAX> 0 0 <INCOME-CONTINUING> (3,350) (4,102) <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> (3,350) (4,102) <EPS-PRIMARY> (.41) (.50) <EPS-DILUTED> (.41) (.50)