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 Microsoft Excel > Functions > Engineering > IMSQRT
 

IMSQRT(inumber)

 
 Returns the square root of a complex number in x + yi or x + yj text format.

 inumberThe complex number for which you want the square root.

 REMARKS
 
  		• This function is only available if you have the Analysis ToolPak add-in installed.
     
  		• If "inumber" is not in the form x + yi or x + yj, then #NUM! is returned.
     
  		• You can use the COMPLEX() function to convert real and imaginary coefficients into a complex number.

     EXAMPLES
     
     A
    1=IMSQRT("1+i") = 1.09868411346781+0.455089860562227i
    2=IMSQRT("2+3i") = 1.67414922803554+0.895977476129838i
    3=IMSQRT("4") = 2
    4=IMSQRT("9") = 3
    5=IMSQRT("some text") = #NUM!
    		 
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