as Peo gave you

--

HTH

RP
(remove nothere from the email address if mailing direct)


"Ben Blair" wrote in message
...
I'm a bit confused. Let's suppose my data looks like this:
A B C
Math AA AD
Lit AA AC
Art AB AE

The results will be in a table like this:
code Math R Math W
AA x y
AB
AC

What exact formula belongs in x or y?