The number of opening parentheses has to be equal to the number of closing
parentheses, and each pair need to match appropriately for where you are
trying to use them.
--
David Biddulph

"ISAF Media Analysis" wrote in
message ...
Hello,

I'm trying to measure across three diferent columns, however the formula I
am using does not work. I have place the formula below. Can anyone help?
Thanks in advance.

=SUMPRODUCT(--(A2:A200="AIP"),--(F2:F200="IED")),--(H2:H200="P")))