The Excel IMSQRT Function

Related Function:
IMPOWER Function

Basic Description

The Excel IMSQRT function returns the square root of a supplied complex number.

The syntax of the function is :

IMSQRT( inumber )

Where the inumber argument is a complex number.


Excel Imsqrt Function Examples

In the example below, the Excel Imsqrt function is used to calculate the square root of different complex numbers.

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

 Formulas:
  A
1 =IMSQRT( "i" )
2 =IMSQRT( "2-i" )
3 =IMSQRT( "5+2i" )
4 =IMSQRT( 6 )
5 =IMSQRT( "-2-4i" )
 Results:
  A
1 0.707106781186548+0.707106781186547i
2 1.45534669022535-0.343560749722512i
3 2.27872385417085+0.438842116902255i
4 2.44948974278318
5 1.11178594050284-1.79890743994787i

More details and examples of the Excel Imsqrt function are provided on the Microsoft Office website.


Imsqrt Function Errors

If you get an error from the Excel Imsqrt 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.

  +   Show How to Do This in Excel 2003:

  +   Show How to Do This in Excel 2007:

  +   Show How to Do This in Excel 2010 or Excel 2013:

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