Returns the argument of a complex number.
Syntax:
IMARGUMENT(complexnumber)
complexnumber is text representing a complex number, for example as a+bi or a+bj.
IMARGUMENT returns the argument of complexnumber in radians - that is, in a polar representation, the angle relative to the horizontal axis. For a complex number the argument is .
Example:
IMARGUMENT("3+3i")
returns 0.785398163397 - that is radians.