=sumproduct((month(a2:a22)=6)*b2:b22)

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Don Guillett
SalesAid Software

"John" wrote in message
...
Dear all,

I have two columns in Excel, one is date, the other is value,For Example

A Column B Column
01-Jun-06 20
02-JUn-06 30
01-Aug-06 100
07-Oct-06 900
09-Jun-06 100
I want to sum those values when month is 6 (Jun)
How can I set this formula to do it?

Thanks you