This function returns the argument theta, which is an angle expressed in radians.

Syntax

IMARGUMENT(complexnum)

Arguments

The complexnum argument is a complex number for which to return the argument theta.

Remarks

An error is returned if the complexnum argument is not in the form "x+yi" or "x+yj". For more information, refer to Complex Numbers.

Data Types

Accepts number and string data. Returns number data.

Examples

IMARGUMENT("3+5j")