WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000701039
<NAME> CALVERT FUND
<SERIES>
<NUMBER> 744
<NAME> CALVERT NEW VISION SMALL CAP FUND, CLASS I
<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> 842
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2286
<TOTAL-LIABILITIES> 3229
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> (601)
<SHARES-COMMON-STOCK> 2
<SHARES-COMMON-PRIOR> 95
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 365
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 282
<NET-ASSETS> 46
<DIVIDEND-INCOME> 8
<INTEREST-INCOME> 4
<OTHER-INCOME> 0
<EXPENSES-NET> 15
<NET-INVESTMENT-INCOME> (3)
<REALIZED-GAINS-CURRENT> 411
<APPREC-INCREASE-CURRENT> 98
<NET-CHANGE-FROM-OPS> 506
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 637
<NUMBER-OF-SHARES-REDEEMED> (2411)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (1268)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (44)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 13
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 29
<AVERAGE-NET-ASSETS> 1772
<PER-SHARE-NAV-BEGIN> 13.57
<PER-SHARE-NII> (1.03)
<PER-SHARE-GAIN-APPREC> 6.23
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 18.77
<EXPENSE-RATIO> 0.82
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
