Why not =A1-B1 ?
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David Biddulph

"ahmed" wrote in message
...
how to copare digits in two coloumn in Excel so i can to get the
diffrences
between values in the two coloumn ?
i have coloumn that have 3000 value & other coloumn that have 2700 value
(about the same supject) and i want to get the diffrent between the two
coloumn (300 value)
and more thanks for you !