<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> OCT-31-1997 <PERIOD-END> APR-30-1997 <CASH> 189,540 <SECURITIES> 854,566 <RECEIVABLES> 332,507 <ALLOWANCES> (48,278) <INVENTORY> 18,400 <CURRENT-ASSETS> 1,533,150 <PP&E> 765,951 <DEPRECIATION> (366,353) <TOTAL-ASSETS> 1,994,900 <CURRENT-LIABILITIES> 316,908 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 34878 <OTHER-SE> 1,607,193 <TOTAL-LIABILITY-AND-EQUITY> 1,994,900 <SALES> 647,954 <TOTAL-REVENUES> 647,954 <CGS> 153,146 <TOTAL-COSTS> 153,146 <OTHER-EXPENSES> 461,403 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 53,597 <INCOME-TAX> 17,419 <INCOME-CONTINUING> 36,178 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 36,178 <EPS-PRIMARY> .10 <EPS-DILUTED> .10