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IMSQRT function: Description, Usage, Syntax, Examples and Explanation

What is IMSQRT function in Excel?

IMSQRT function is one of Engineering functions in Microsoft Excel that returns the square root of a complex number in x + yi or x + yj text format.

Syntax of IMSQRT function


The IMSQRT function syntax has the following arguments:

  • Inumber:  A complex number for which you want the square root.

IMSQRT formula explanation

  • Use COMPLEX to convert real and imaginary coefficients into a complex number.
  • The square root of a complex number is:Equationwhere:






Example of IMSQRT function

Steps to follow:

1. Open a new Excel worksheet.

2. Copy data in the following table below and paste it in cell A1

Note: For formulas to show results, select them, press F2 key on your keyboard and then press Enter.

You can adjust the column widths to see all the data, if  need be.

Formula Description Result
=IMSQRT(“1+i”) Square root of 1+i 1.09868411346781+0.455089860562227i

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