<ARTICLE> 5 <LEGEND> THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL STATEMENTS OF THE REGISTRANT FOR THE SIX MONTH PERIOD ENDING JULY 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 3-MOS 6-MOS <FISCAL-YEAR-END> APR-30-1997 APR-30-1997 <PERIOD-END> OCT-31-1996 OCT-31-1996 <CASH> 14,402 14,402 <SECURITIES> 0 0 <RECEIVABLES> 77,760 77,760 <ALLOWANCES> 433 433 <INVENTORY> 47,420 47,420 <CURRENT-ASSETS> 144,684 144,684 <PP&E> 166,252 166,252 <DEPRECIATION> (162,175) (162,175) <TOTAL-ASSETS> 463,549 463,549 <CURRENT-LIABILITIES> 117,910 117,910 <BONDS> 0 0 <COMMON> 632,663 632,663 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <OTHER-SE> (287,124) (287,124) <TOTAL-LIABILITY-AND-EQUITY> 463,549 463,549 <SALES> 132,439 265,036 <TOTAL-REVENUES> 134,533 271,266 <CGS> 44,720 90,022 <TOTAL-COSTS> 44,720 90,022 <OTHER-EXPENSES> 21,069 42,762 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 149 303 <INCOME-PRETAX> 30,691 66,167 <INCOME-TAX> 4,534 11,426 <INCOME-CONTINUING> 0 0 <DISCONTINUED> 0 0 <EXTRAORDINARY> 4,534 11,426 <CHANGES> 0 0 <NET-INCOME> 30,691 66,167 <EPS-PRIMARY> .002 .005 <EPS-DILUTED> .002 .005