Try:

=Sumproduct(--(range1="STK"),(range2))

ranges cannot be columns i.e. must of form $A$1:$A$100 not $A:$A

HTH

"danuk2006" wrote:


Hi - I have 2 coloumns of mixed data, 1 with values and 1 with a
catergory code. I would like to summarise the data, ie I may have 50
items of catergory "STK" but would like to know the total value. The
aim is to have 2 sheets in excel, 1 as a summary page, the other as the
data sheet.

What formulae would I use please?


--
danuk2006
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