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Excel IMABS Function

Excel IMABS function
Summary 

The Excel IMABS function returns the absolute value of a complex number in the form x + yi or x + yj. Use the COMPLEX function to create a complex number from real and imaginary parts.

Purpose 
Get absolute value of complex number
Return value 
Absolute value as number
Syntax 
=IMABS (inumber)
Arguments 
  • inumber - A complex number.
Usage notes 

The Excel IMABS function returns the absolute value (modulus) of a complex number in a format like x + yi or x + yj. For example:

=IMABS("4+3i") // returns 5

In the example shown, the formula in C6, copied down, is:

=IMABS(B6)

Notes:

  • Only lowercase "j" and "i" are accepted by IMAB. Other values will result in the #NUM error.
Related functions 
Excel COMPLEX function
Excel COMPLEX Function

The Excel COMPLEX function creates a complex number with given real and imaginary coefficients. COMPLEX returns a text result in the form x + yi or x + yj.

Excel IMREAL function
Excel IMREAL Function
The Excel IMREAL function returns the real coefficient of a complex number in the form x + yi or x + yj.
Excel IMAGINARY function
Excel IMAGINARY Function
The Excel IMAGINARY function returns the imaginary coefficient of a complex number given in the form x + yi or x + yj.
Good links 
Microsoft IMABS function documentation

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