Hi everyone,
I've had several problems with excel the last year but after many
hours of thinking I solved them (with some ideas from you guys, so
thank you). This time I'm stuck. Can't think nothing that will give me
the answer. So, suppose that I have an excel sheet were I store dates
(m/d/yyyy) in A1:An, product codes in B1:Bn, customer codes in C1:Cn,
Quantities in D1:Dn and Prices in E1:En. In a separate sheet of the
same book, I want to find the sales for each month of each year
(1/2006, 2/2006....etc). I know I have to use sumproduct, but I cannot
find a way to expand the correct dates and then use them.

Example:
This is the sheet were I store all my information:

1/2/06 57-60-275 Cu-90.927 5 16.33
1/7/06 112-20-940 Cu-60.634 6 9.72
1/13/06 64-70-968 Cu-60.443 10 12.08
1/13/06 57-60-749 Cu-90.003 9 9
1/13/06 108-70-682 Cu-90.991 4 12.55
1/24/06 8-90-952 Cu-90.076 7 7.98
1/27/06 29-80-036 Cu-60.182 6 5.49
1/28/06 64-20-504 Cu-30.757 8 12.12
2/3/06 29-60-460 Cu-30.848 10 12.09
2/5/06 18-20-601 Cu-90.022 5 12.41
2/8/06 39-80-625 Cu-30.911 6 5.76
2/11/06 128-20-209 Cu-30.061 8 5.8
2/13/06 108-30-188 Cu-30.380 4 16.21
2/17/06 57-10-329 Cu-60.593 4 15.73
2/17/06 43-30-574 Cu-60.335 3 14.96

and here what I want to do:

Month Total Sales
01-2006
02-2006
03-2006

I really don't have ANY idea. I think I have to use vlookup in array
type, but still... If a solve this, then the rest of my work is
easier.

Can anyone help?

Thank you.