If you mean sum, then you need

=SUMPRODUCT(1/(COUNTIF(A1:A100,A1:A100)),A1:A100)

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HTH

RP
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"Bob Phillips" wrote in message
...
=SUMPRODUCT(1/COUNTIF(A1:A100,A1:A100))

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HTH

RP
(remove nothere from the email address if mailing direct)


"Robin Faulkner" <Robin wrote in
message
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