Excel IMSUM Function

Summary
The Excel IMSUM function returns the sum of two or more complex numbers. The complex numbers must be in the form x + yi or x + yj. Use the COMPLEX function to create a complex number from real and imaginary parts.
Purpose
Get sum of complex numbers
Return value
Sum of complex numbers as text
Syntax
=IMSUM (inumber1, [inumber2], ...)
Arguments
- inumber1 - Complex number 1.
- inumber2 - [optional] Complex number 2.
Usage notes
Good links