<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY
QUANTITATIVE EQUITY FUNDS AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000827060
<NAME> AMERICAN CENTURY QUANTITATIVE EQUITY FUNDS
<SERIES>
<NUMBER> 21
<NAME> INCOME & GROWTH FUND - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 5,829,687,378
<INVESTMENTS-AT-VALUE> 7,217,367,885
<RECEIVABLES> 21,128,372
<ASSETS-OTHER> 3,232,259
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 7,241,728,516
<PAYABLE-FOR-SECURITIES> 8,313,567
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4,337,493
<TOTAL-LIABILITIES> 12,651,060
<SENIOR-EQUITY> 1,844,000
<PAID-IN-CAPITAL-COMMON> 5,755,115,139
<SHARES-COMMON-STOCK> 184,399,978
<SHARES-COMMON-PRIOR> 186,860,466
<ACCUMULATED-NII-CURRENT> (79,692)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 85,404,392
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,386,793,617
<NET-ASSETS> 7,229,077,456
<DIVIDEND-INCOME> 49,885,689
<INTEREST-INCOME> 4,818,411
<OTHER-INCOME> 0
<EXPENSES-NET> 22,226,754
<NET-INVESTMENT-INCOME> 30,371,872
<REALIZED-GAINS-CURRENT> 117,531,137
<APPREC-INCREASE-CURRENT> (418,439,286)
<NET-CHANGE-FROM-OPS> (270,536,277)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (26,627,278)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 50,206,678
<NUMBER-OF-SHARES-REDEEMED> (53,421,055)
<SHARES-REINVESTED> 753,889
<NET-CHANGE-IN-ASSETS> 9,946,541
<ACCUMULATED-NII-PRIOR> (297,905)
<ACCUMULATED-GAINS-PRIOR> (32,343,219)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 22,226,754
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 24,332,228
<AVERAGE-NET-ASSETS> 6,051,852,070
<PER-SHARE-NAV-BEGIN> 34.05
<PER-SHARE-NII> 0.14
<PER-SHARE-GAIN-APPREC> (1.34)
<PER-SHARE-DIVIDEND> (0.15)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 32.70
<EXPENSE-RATIO> 0.67
</TABLE>
