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how to use excel formula sumproduct. For arrays you use in your SUMPRODUCT formula all of them must contain the same number of cells must be the same in each array. A SUMPDOUCT formula is also used to calculate the weighted average in Excel.
Double click on the SUMPRODUCT function. Operators like equals to less than equal to or not equals to can be performed within a formula applied with numbers only. The function has the following syntax.
To sum Apples sales for North.
Click the insert function button fx under the formula toolbar a dialog box will appear type the keyword SUMPRODUCT in the search for a function box SUMPRODUCT function will appear in select a function box. SUMPRODUCT formula with AND logic To count Apples sales for North. SUMPRODUCT -- A2A12north -- B2B12applesorSUMPRODUCT. SUMPRODUCT formula can also be used in performing selective data operations based on a particular criteria.