WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000701039
<NAME> CALVERT FUND
<SERIES>
<NUMBER> 711
<NAME> CALVERT NEW VISION SMALL CAP FUND, CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> APR-01-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 84390
<INVESTMENTS-AT-VALUE> 90686
<RECEIVABLES> 5247
<ASSETS-OTHER> 265
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 96198
<PAYABLE-FOR-SECURITIES> 942
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2286
<TOTAL-LIABILITIES> 3229
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 69635
<SHARES-COMMON-STOCK> 4321
<SHARES-COMMON-PRIOR> 4000
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4850
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 5156
<NET-ASSETS> 79641
<DIVIDEND-INCOME> 319
<INTEREST-INCOME> 162
<OTHER-INCOME> 0
<EXPENSES-NET> 1059
<NET-INVESTMENT-INCOME> (578)
<REALIZED-GAINS-CURRENT> 16298
<APPREC-INCREASE-CURRENT> 2905
<NET-CHANGE-FROM-OPS> 18625
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 24026
<NUMBER-OF-SHARES-REDEEMED> (15971)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 26680
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (10870)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 528
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1258
<AVERAGE-NET-ASSETS> 70375
<PER-SHARE-NAV-BEGIN> 13.49
<PER-SHARE-NII> (0.13)
<PER-SHARE-GAIN-APPREC> 5.07
<PER-SHARE-DIVIDEND> 0.0
<PER-SHARE-DISTRIBUTIONS> 0.0
<RETURNS-OF-CAPITAL> 0.0
<PER-SHARE-NAV-END> 18.43
<EXPENSE-RATIO> 1.50
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
