Thiensu

=SUMPRODUCT((A1:A410)*(A1:A4<15)*(B1:B4))

adjust the range to suit

Regards

Trevor


"thiensu" wrote in
message ...

How to use "sumif" funtion in which there are tow criteria?
A B
10 1
13 2
15 3
20 12
I want calculation col B with criteria col A 10, <15.
Who help me?


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thiensu
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