Dear all,

I have a worksheet as below

5/1/2005 50
23/1/2005 100
18/1/2005 120
2/2/2005 12
12/2/2005 24
4/3/2005 15

I want to sum up the total of each month to get

Jan 2005 270
Feb 2005 36
Mar 2005 15

What should be the formula?
thanks....

ims