# The Excel IMCONJUGATE Function

## Basic Description

The Excel IMCONJUGATE function returns the complex conjugate of a supplied complex number.

The syntax of the function is :

IMCONJUGATE( inumber )

where the inumber argument is a complex number.

## Excel Imconjugate Function Examples

The spreadsheet below shows examples of the Excel Imconjugate function, used find the complex conjugate of several complex numbers.

The spreadsheet on the left shows the formulas and the spreadsheet on the right shows the results.

Formulas:
A
1=IMARGUMENT( "5+2i" )
2=IMARGUMENT( "2-i" )
3=IMARGUMENT( 6 )
4=IMARGUMENT( "3i" )
5=IMARGUMENT( "4+i" )
Results:
A
15-2i
22+i
36
4-3i
54-i

Further information on the Excel Imconjugate function can be found on the Microsoft Office website.

## Imconjugate Function Errors

If you get an error from the Excel Imconjugate Function, this is likely to be one of the following:

Common Errors
 #NUM! - Occurs if the supplied inumber argument is not recognised as a complex number #NAME? - Occurs when Analysis ToolPak add-in is not enabled in your Excel.You will need to enable the add-in if you want to use the Excel complex number functions.