## Summary

The Excel IMPRODUCT function returns the product of one or more complex numbers. The complex number 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 product of complex numbers

## Return value

Product as complex number

## Syntax

``=IMPRODUCT(inumber1,[inumber2],...)``
• inumber1 - Complex number 1.
• inumber2 - [optional] Complex number 2.

## How to use

The Excel IMPRODUCT function returns the product of one or more complex numbers. Complex numbers are input as text, and must be in the form x + yi or x + yj. The result of IMPRODUCT is a complex number as text.

For example:

``````=IMPRODUCT("1+2i",3) // returns "3+6i"
=IMPRODUCT("1+2i","1+2i") // returns "-3+4i"
``````

In the example shown, the formula in D6, copied down, is:

``````=IMPRODUCT(B6,C6)
``````

Notes:

• Only lowercase "j" and "i" are accepted by IMPRODUCT. Other values will result in the #NUM error.
• IMPRODUCT can handle up to 255 numbers

Author

### Dave Bruns

Hi - I'm Dave Bruns, and I run Exceljet with my wife, Lisa. Our goal is to help you work faster in Excel. We create short videos, and clear examples of formulas, functions, pivot tables, conditional formatting, and charts.