If you use Excel 2007, you can use the COUNTIFS function.
Otherwise, you can use this formula:
=SUMPRODUCT(--(A:A<>""), --(B:B="Open"), --(C:C<>0))
I'm assuming that the only things in the column C are dates, or they would
be blank.
(Note: I don't have excel with me right now, so I didn't get a chance to
test the formula above. Sorry about that.)

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Location: Sydney
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> Can someone please help me with writing a function? I would like to count
> the number of cells containing a date given some criteria. The example would
> be: If Column A is not blank, and Column B contains the word "Open", and
> Column C contains a date, then count the number of cells in column C that has
> a date.
> Thank you
Bob Phillips - 06 May 2008 13:33 GMT
> If you use Excel 2007, you can use the COUNTIFS function.
>
> Otherwise, you can use this formula:
>
> =SUMPRODUCT(--(A:A<>""), --(B:B="Open"), --(C:C<>0))
No you can't, SUMPRODUCT prior to Excel 2007 doesn't work with complete
columns, you have to specify a range.
Glenn - 06 May 2008 13:48 GMT
Harimau,
Thank you for you quick and correct response. I applied your logic to my
spreadsheet, which was much more advanced than my example, and it worked! I
did note that you did not specify a range for your cells and I knew that I
needed to do that with my version of excel.
Bob: Thanks for confirming that for me.
Thanks again!
> If you use Excel 2007, you can use the COUNTIFS function.
>
[quoted text clipped - 14 lines]
> > a date.
> > Thank you