Sumproduct calculation for January 09
OK, sorted.... it was on a different worksheet and I forgot to reference it.
Now ok.
"Tina" wrote:
=SUMPRODUCT(--(MONTH('2008'!B3:B2000)=1),--(YEAR(B3:B2000)=2009))
Hi all, I am using the above, but am getting #VALUE!
The format the date is typed in, in the main data sheet, is "05 January
2009", but I have also tried 05/01/2009 but to no avail. Can anyone say
where I am going wrong?
Thanks
Tina
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