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SUMSQ function: Description, Usage, Syntax, Examples and Explanation

What is SUMSQ function in Excel?

SUMSQ function is one of the Math and Trig functions in Microsoft Excel that returns the sum of the squares of the arguments.

Syntax of SUMSQ function

SUMSQ(number1, [number2], …)

The SUMSQ function syntax has the following arguments:

  • Number1, number2, …    Number1 is required, subsequent numbers are optional. 1 to 255 arguments for which you want the sum of the squares. You can also use a single array or a reference to an array instead of arguments separated by commas.

SUMSQ formula explanation

  • Arguments can either be numbers or names, arrays, or references that contain numbers.
  • Numbers, logical values, and text representations of numbers that you type directly into the list of arguments are counted.
  • If an argument is an array or reference, only numbers in that array or reference are counted. Empty cells, logical values, text, or error values in the array or reference are ignored.
  • Arguments that are error values or text that cannot be translated into numbers cause errors.

Example of SUMSQ function

Steps to follow:

1. Open a new Excel worksheet.

2. Copy data in the following table below and paste it in cell A1

Note: For formulas to show results, select them, press F2 key on your keyboard and then press Enter.

You can adjust the column widths to see all the data, if need be.

Formula Description (Result) Result
=SUMSQ(3, 4) Sum of the squares of 3 and 4 (25) 25

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