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This should be simple?
If you have a column of numbers and want to add every third one, what
formula do you use? I tried stuff like =SUMIF(A3:A13,MOD(ROW(),3)=0) as an array formula My mind is drawing a blank. Thanks Jim |
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#2
Posted to microsoft.public.excel.programming
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This should be simple?
=SUMPRODUCT(A3:A13,--(MOD(ROW(A3:A13),3)=0))
-- HTH RP (remove nothere from the email address if mailing direct) "Jim Brass" wrote in message ... If you have a column of numbers and want to add every third one, what formula do you use? I tried stuff like =SUMIF(A3:A13,MOD(ROW(),3)=0) as an array formula My mind is drawing a blank. Thanks Jim |
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