BCB:
Try this:
C1: =SUMPRODUCT(--ISNUMBER(1/(A2:A21*B2:B21)))
Does that help?
Regards,
Ron
--
Ron Coderre
------------------------------------------------------------------------
Ron Coderre's Profile:
http://www.excelforum.com/member.php...o&userid=21419
View this thread:
http://www.excelforum.com/showthread...hreadid=540522