LOL


=SUMPRODUCT(--(Year($A$2:$A$1000)=2500),--MONTH($A$2:$A$1000)=2),$B$2:$B$100
0)
must be of-course

=SUMPRODUCT(--(Year($A$2:$A$1000)=2005),--MONTH($A$2:$A$1000)=2),$B$2:$B$100
0)


Arvi Laanemets