=SUMPRODUCT((A2:A9=331)*(B2:B9<""))

etc

Regards

Trevor


"JR573PUTT" wrote
in message ...

I have 2 sheets, one summary, and one detail.

The detail is as follows:


Dept units
331 12
331 24
331
331 12
332
332 36
332 24
333

The summary is as follows:


Dept # of styles
331 3
332 2
333 0

I want the formula on the summary sheet to count the number of non
blank entries for each dept.

Which formula is it?


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