IMSUM() function
About IMSUM() function
The IMSUM() function is an Engineering function that returns the summation of multiple complex numbers in text form.
Where to apply :
This function is used by engineers to solve the summation of complex numbers.
Syntax :
=IMSUM(inumber1, [inumber2],...)
Parameters :
inumber1- A complex number.
[inumber2]- [Optional], A complex number.
Example:
1. For the 2 complex numbers.
=IMSUM("9+3i", "7+8i") // Returns (16+11i)
It returns "16+11i" for the complex numbers "9+3i" and "7+8i" .
Excel based example:

The IMSUM() function is well explained in above image.
Hope, it would have added in your Excel function knowledge.
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