IMPOWER Function

Basic Description

The Excel IMPOWER function returns a supplied complex number, raised to a given power.

Syntax: IMPOWER( inumber, number )

Where the function arguments are:

inumber The initial complex number that you want to raise to a power
number The power to which the supplied complex number is to be raised

 

Excel Impower Function Examples

In the example below, the Excel Impower function is used to calculate several complex numbers raised to different powers. The formulas are shown in the spreadsheet on the left and the results are shown in the spreadsheet on the right.

 Formulas:
A
1 =IMPOWER( “2-i”, 2 )
2 =IMPOWER( “2-i”, 3 )
3 =IMPOWER( “5+2i”, 2 )
4 =IMPOWER( 9, 0.5 )
5 =IMPOWER( “2+4i”, -2 )
 Results:
A
1 3-4i
2 2-11i
3 21+20i
4 3
5 -0.03-0.04i

 

 

Impower Function Errors

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

#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.

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