Originally Posted by PDX_Jim

That is what I was looking for. I wasn't familiar with the sumproduct formula. Thanks!

One question though, in the formula =SUMPRODUCT(--(DATA!$A$2:$A$38=$A2)*(DATA!$B$2:$B$38=B$1),DATA!$ C$2:$C$38)

what are the "--" before (DATA!$A$@...) for?

Thanks,

Jim