I think you are half right. for a sumproduct to work the arrays need to
be of equal length, one can be horizontal and one can be vertical so
sumproduct((a1:a4=1)*(b1:e1=1),a11:a14)
would evaluate as a sumproduct!
Regards
Dav
--
Dav
------------------------------------------------------------------------
Dav's Profile:
http://www.excelforum.com/member.php...o&userid=27107
View this thread:
http://www.excelforum.com/showthread...hreadid=545408