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At 13:42 08/09/2013 -0400, Fred James wrote:
Brian Barker wrote:
=SUMPRODUCT(B$2:B$5=E1;C$2:C$5)
so you can fill this down into F2.

Typo found :  switch the B's and C's so that the function reads:
    =SUMPRODUCT(C$2:C$7,E1=B$2:B$7)
and it works.

Er, there is no "typo", just some confusion on your part. The original formula works. You have changed the test from X = Y to Y = X and the product X x Y into Y x X. As any elementary mathematician knows, equality and multiplication are commutative, so these are the same thing: x = y and y = x are the same test; and 2 x 3 and 3 x 2 are the same value!

Brian Barker


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