Hi
not fully testedt but try on your second sheet:
=SUMPRODUCT(('sheet1'!A2:A100=14)*(MONTH('sheet1'! C1:X1)=3)*(YEAR('sheet1'!C1:X1)=2002)*('sheet1'!C2 :X100))

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Regards
Frank Kabel
Frankfurt, Germany
"Carl Brehm" schrieb im Newsbeitrag
...
on sheet("monthly_Totals") in Column A I have a list of numbers
In Row 1 I have a list of date formatted MM/YY

Would like to total from Vendor_Total worksheet all based on MM/YY and on
Numbers

data 'Months listing starts in Column C
NO Total 12MAR02 17MAR02 19Oct05 'row 1
14 6327.58 45.25 45.98 159.52 'Data
Starts in Row4
25 41259.98 19.25 38.253 357.39


total
March 02 Oct05 ' Row !
14 91.23 159.52
25 57.5 357.39


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Carl & Linda Brehm
Lake Lafourche Bird House
Hebert, LA

Keets, Tiels, GN Lories, Quakers
Mitred Conures, TAG's, Bourkes
Lovebirds, Cherry Head Conures
Prince of Whales

Wholesale Cages to Breeders & Pet Stores
"Frank Kabel" wrote in message
...
Hi
could you give an example what exactly you want to sum in your example?

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Regards
Frank Kabel
Frankfurt, Germany