<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS FOR THE SIX MONTHS ENDED APRIL 30, 2000 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.

Amounts inapplicable or not disclosed as a separate line on the Balance Sheet or
Statement of Income are reported as 0 herein.



<MULTIPLIER>                                   1,000
<CURRENCY>                                     U.S. Dollars

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              OCT-31-2000
<PERIOD-START>                                 NOV-01-1999
<PERIOD-END>                                   APR-30-2000
<EXCHANGE-RATE>                                1
<CASH>                                         391
<SECURITIES>                                   12,410
<RECEIVABLES>                                  10,781
<ALLOWANCES>                                   214
<INVENTORY>                                    8,836
<CURRENT-ASSETS>                               33,422
<PP&E>                                         16,600
<DEPRECIATION>                                 5,472
<TOTAL-ASSETS>                                 44,771
<CURRENT-LIABILITIES>                          5,105
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       4,755
<OTHER-SE>                                     34,720
<TOTAL-LIABILITY-AND-EQUITY>                   44,771
<SALES>                                        24,375
<TOTAL-REVENUES>                               26,293
<CGS>                                          13,260
<TOTAL-COSTS>                                  18,992
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               (39)
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                                7,301
<INCOME-TAX>                                   2,571
<INCOME-CONTINUING>                            4,730
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   4,730
<EPS-BASIC>                                  0.126
<EPS-DILUTED>                                  0.125