Returns the absolute value (modulus) of a complex number in x + yi or x + yj text format.
If this function is not available, run the Setup program to install the Analysis ToolPak. After you install the Analysis ToolPak, you must enable it by using the Add-Ins command on the Tools menu.
Syntax
IMABS(inumber)
Inumber is a complex number for which you want the absolute value.
Remarks
where:
z = x + yi
Example
IMABS("5+12i")
equals 13