NORM function
Description
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
Example
NORM(3+4i) returns 5