<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> SEP-30-2000
<CASH> 17,558,331
<SECURITIES> 51,811,365<F1>
<RECEIVABLES> 14,102,293
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 83,471,989
<PP&E> 7,706,345<F2>
<DEPRECIATION> 2,267,437
<TOTAL-ASSETS> 88,910,897
<CURRENT-LIABILITIES> 7,213,047<F3>
<BONDS> 0
0
0
<COMMON> 94,274
<OTHER-SE> 81,603,576
<TOTAL-LIABILITY-AND-EQUITY> 88,910,897
<SALES> 40,455,143
<TOTAL-REVENUES> 40,455,143
<CGS> 28,586,361
<TOTAL-COSTS> 11,868,782
<OTHER-EXPENSES> 6,876,869
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 96,587
<INCOME-PRETAX> 4,895,326
<INCOME-TAX> 1,182,498
<INCOME-CONTINUING> 0
<DISCONTINUED> 464,555
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 4,177,383
<EPS-BASIC> 0.47
<EPS-DILUTED> 0.45
<FN>
<F1> Includes Marketable Securities @ $49,966,000, prepaid expenses @ $190,075
and Income Taxes Rec. @ $1,655,290
<F2> Includes PP&E @ $4,471,838 + S/W dev. Costs @ $3,188,783 + Misc.
deposits @ $45,724
<F3> Includes Capital Leases Payable/Long-Term @ $259,951
</FN>
</TABLE>