SUMSQ (Primitive Spread Function) returns the sum of the squares of the arguments.

SYNTAX:

SUMSQ(value1,value2,...)

REMARKS:

Accepts up to 30 arguments. Each argument can be a cell, a cell range, a float value, or an integer value. 

EXAMPLES:

SUMSQ(A1,B7,C11)
SUMSQ(A1:A9)
SUMSQ(95,89,73,87,85,76,100,96,96)=71277