SUMSQ function

Category: Math and trigonometry
Introduced: Excel 2003

Summary

Returns the sum of the squares of the arguments

Syntax

SUMSQ(number1, [number2], ...) The SUMSQ function syntax uses the following arguments:
• Number1, number2, ... Number1 is required. Subsequent numbers are optional. There can be as many as 255 arguments for which you want the sum of the squares.
• Instead of comma-separated arguments, you can use a single array or a reference to an array.

Example

=SUMSQ(3, 4)

Microsoft Support Page

https://support.microsoft.com/en-us/office/sumsq-function-e3313c02-51cc-4963-aae6-31442d9ec307

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