Put 1 in B1
and =IF(A2=A1,B1+1,1) in B2 and copy down.

Rob

"saman110 via OfficeKB.com" <u35670@uwe wrote in message
news:7fbe56c1fe055@uwe...
In column A I have numbers. How can I in column B start a count from 1
each
time that I get different number. For example:


What I have:

A

200
200
200
200
788
788
788
922
922
922
922

The result:

A B

200 1
200 2
200 3
200 4
788 1
788 2
788 3
922 1
922 2
922 3
922 4

--
Message posted via OfficeKB.com
http://www.officekb.com/Uwe/Forums.a...excel/200802/1