How do I sum cells for a certain month?
Hello,
I am using this formula
=SUMPRODUCT(--(MONTH(Gateway!B3:B26)=1),--(YEAR(Gateway!B3:B26)=2005),--(ISNUMBER(Gateway!B3:B26)))which
works fine. Based on this formula how can I sum the dollar value in column J
for the month of January? Your help is appreciated.
Mark
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