<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
INTERIM FINANCIAL STATEMENTS AS OF AND FOR THE SIX-MONTH PERIOD ENDED NOVEMBER
30, 1998.
</LEGEND>
       
                                                  
<PERIOD-TYPE>                   6-MOS                   3-MOS
<FISCAL-YEAR-END>                          MAY-31-1999             MAY-31-1999
<PERIOD-START>                             JUN-01-1998             SEP-01-1998
<PERIOD-END>                               NOV-30-1998             NOV-30-1998
<CASH>                                         514,825                       0
<SECURITIES>                                         0                       0
<RECEIVABLES>                                  228,709                       0
<ALLOWANCES>                                  (12,825)                       0
<INVENTORY>                                    383,675                       0
<CURRENT-ASSETS>                             1,123,146                       0
<PP&E>                                         690,251                       0
<DEPRECIATION>                               (664,279)                       0
<TOTAL-ASSETS>                               1,196,893                       0
<CURRENT-LIABILITIES>                          161,721                       0
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                     2,383,385                       0
<OTHER-SE>                                 (1,348,213)                       0
<TOTAL-LIABILITY-AND-EQUITY>                 1,196,893                       0
<SALES>                                        693,451                 368,031
<TOTAL-REVENUES>                               705,501                 375,118
<CGS>                                          394,476                 206,176
<TOTAL-COSTS>                                  786,948                 417,138
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   0                       0
<INCOME-PRETAX>                               (81,447)                (42,020)
<INCOME-TAX>                                       800                     800
<INCOME-CONTINUING>                           (82,247)                (42,820)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                  (82,247)                (42,820)
<EPS-PRIMARY>                                   (0.06)                  (0.03)
<EPS-DILUTED>                                   (0.06)                  (0.03)