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I have a question on an equation in a file that I inherited. I can't figure out why the equation is working in other cells, but does not seem to work in the next row down. I'm using Excel 2013.

=OFFSET(NSA!A1,MATCH(G2,NSA!B2:B111,0),COUNTA(NSA!1:1),1,1)-OFFSET(NSA!A1,MATCH(G2,NSA!B2:B111,0),COUNTA(NSA!1:1)-1,1,1)

Thank you!

Elizabeth,

Assume this formula

=OFFSET(NSA!A1,MATCH(G2,NSA!B2:B111,0),COUNTA(NSA!1:1),1,1)-OFFSET(NSA!A1,MATCH(G2,NSA!B2:B111,0),COUNTA(NSA!1:1)-1,1,1)

is the formula that works. If you copy and paste it in the next cell down, it will appear as

=OFFSET(NSA!A2,MATCH(G3,NSA!B3:B112,0),COUNTA(NSA!2:2),1,1)-OFFSET(NSA!A2,MATCH(G3,NSA!B3:B112,0),COUNTA(NSA!2:2)-1,1,1)

so you see that all the row references would increase by 1.

I would guess that that is not what you want and would be the reason it is not working. You can fix references by using the $ Sign

=A1 when dragged down one row becomes =A2

=$A$1 when dragged down one row becomes =$A$1 - it doesn't change because the addition of the Dollar Sign ($) to the row and column reference makes them absolute and not relative.

I would guess this is your problem given the very limited information provided.

--

Regards,

Tom Ogilvy

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