how can i get this work?

=sumif(a1:a100,3,b1:z100)

thanks in advance

You cannot use sumif like that, it needs same sized ranges


=SUMPRODUCT((A1:A100=3)*(B1:Z100))

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Regards,

Peo Sjoblom


"choice" wrote in message
...
how can i get this work?

=sumif(a1:a100,3,b1:z100)

thanks in advance