On Oct 1, 2:11*pm, "David Biddulph" <groups [at] biddulph.org.uk
wrote:
What answer does your formula give for the OP's example, Eduardo?

I think it gives 7, and he said he wanted the answer to be 2.

*=SUMPRODUCT(($B$6:$B$10=0)*($B$6:$B$10<"")*($C$6 :$C$10=0)*($C$6:$C$10<"")*)would tackle two problems:Firstly that your formula does an OR when I think you need an AND (which waswhat the OP was pointing out).Secondly that I assume that the OP didn't want blanks treated as zeroes.--David Biddulph"Eduardo" wrote in ... Hi, use =SUMPRODUCT(($B$6:$B$10=0)+($C$6:$C$10=0)) "bowriter" wrote: Hi folks, I have two ranges and am trying to count how many times "0" occurs simultaneously in both. Example: A * *B * C X * * 0 * 0 Y * *3 * 1 Z * *5 * 0 XX * 0 *0 The countif should come back as "2" (2 values [x and xx] share 0 in common) I tried =Countif(B2:B100, "0") + Countif(C2:C100, "0"). That didn't work even though one would think "+" should be an "and" and not an "or" (Excel treated "+" as an "or" so that in the above example the result came back as "3") I've read in other help sites a pivot table would be the best tool to use, but I really didn't want to get that complicated...it's a pretty simple spredsheet. Thanks for any help, R.E. Kelly

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Thank you all! David & Sean--both worked perfectly; but yes, I don't
want blanks to be counted as "0", so thank you David for seeing ahead
of the ball.

Great!

Thanks again,

Robert