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NORM function


NORM(A) returns the norm (or modulus) of a complex number. The norm of the complex number a + bi  is the distance from the origin to the point (a, b), defined as

$$ \sqrt{a^2 + b^2}$$

This is equal to ABS(A) (in Excel this is the IMABS function).

Visual representation

Norm of a complex number


NORM(3+4i) returns 5



See also

Recommended book

Book cover

Complex Numbers from A to ... Z
Titu Andreescu

Buy from Amazon

Learn how complex numbers may be used to solve algebraic equations, as well as their geometric interpretation Theoretical aspects are augmented with rich exercises and problems at various levels of difficulty