Hi

=SUMPRODUCT((Data1!$B$1:$B$500="March")*(Data1!$C$ 1:$C$500="New York"),(Data1!$E$1:$E$500))

In plain english the formula above means: Sum cells E1 to E500 (last argument) if in B1 to B500 the value is "March" and if in C1 to C500 the value is "New York".

SUMPRODUCT is like SUMIF on steroids and it allows you to automate all these reports that you develop with data that you import from a large centralized database, centralized accounting, manufacturing and sales programs or the Internet.

The last argument (preceded by a comma) tells Excel what to sum and the two previous arguments (separated by an asterisk) tell Excel about the conditions for summing.

You can do this with SUMPRODUCT and much more.

Within a table where months are in column "A" and cities in row "11" the formula would read like this

=SUMPRODUCT((Data1!$B$1:$B$500=$A13)*(Data1!$C$1:$ C$500=B$11),(Data1!$E$1:$E$500))

Visit: SUMPRODUCT in Excel spreadsheets

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