The SUMPRODUCT function is one of the math and trigonometry functions. It is used to multiply the values in the selected ranges of cells or arrays and return the sum of the products.
Syntax
SUMPRODUCT(array1, [array2], [array3], ...)
The SUMPRODUCT function has the following arguments:
Argument
Description
array1/2/3/n
Up to 255 ranges of cells or arrays containing numeric values.
Notes
If the array1/2/3/n contains non-numeric values, the function will treat them as 0.