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What does "--" (2 minus signs) do in a formula
I have been given a spreadsheet that works with the following formula included.
SUMPRODUCT(--(INT((MONTH(ROW(INDIRECT($K4&":"&$J4)))+2)/3)=3),--(YEAR(ROW(INDIRECT($K4&":"&$J4)))=YEAR(Q1Start)))) What does the "--" 2 minus signs after sumproduct do? Thanks |
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#2
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What does "--" (2 minus signs) do in a formula
It is called "double unary minus" and J.E. McGimpsey has some notes at:
http://mcgimpsey.com/excel/formulae/doubleneg.html Bob Phillips explains =sumproduct() in much more detail he http://www.xldynamic.com/source/xld.SUMPRODUCT.html If this post helps click Yes --------------- Jacob Skaria "Huggy" wrote: I have been given a spreadsheet that works with the following formula included. SUMPRODUCT(--(INT((MONTH(ROW(INDIRECT($K4&":"&$J4)))+2)/3)=3),--(YEAR(ROW(INDIRECT($K4&":"&$J4)))=YEAR(Q1Start)))) What does the "--" 2 minus signs after sumproduct do? Thanks |
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