Note that all the suggested formulas are reading the entire row1
hence these formulas have to be entered in cells *other*
than those in row1, otherwise you'll get circular ref errors !

If you need to enter the formulas in the same row,
use range references (e.g.: A1:F1), i.e. something like:

In G1: =SUMPRODUCT(--(MOD((A1:F1),2)=0),A1:F1)
Then G1 can be copied down to evaluate similarly for other
series in A2:F2, A3:F3, etc

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Rgds
Max
xl 97
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xdemechanik <atyahoo<dotcom
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