Try it like this:

=OFFSET(Sheet6!$B$47,(ROWS($1:1)-1)*47,0)+OFFSET(Sheet3!$B$47,(ROWS($1:1)-1)*47,0)

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Biff
Microsoft Excel MVP


"Craig" wrote in message
...
Hi,

I'm having difficulty with this function.

=sum(offset(Sheet6!$B$47,(rows($1:1)-1)*47,0))+(offset(Sheet3!$B$47,rows($1:1)-1)*47,0)))

Can you tell me what I'm doing wrong?

Thanks