IMABS

IMABS function : This function of MS Excel Returns the absolute value (modulus) of a complex number in x + yi or x + yj text format.

Syntax
IMABS(inumber)

Inumber   is a complex number for which you want the absolute value.
Remarks

• Use COMPLEX to convert real and imaginary coefficients into a complex number.
• The absolute value of a complex number is: [Equation]
  where:
  z = x + yi

Example
The example may be easier to understand if you copy it to a blank worksheet.

How to copy an example

1. Create a blank workbook or worksheet.
2. Select the example in the Help topic.  Note    Do not select the row or column headers.
   
   
   Selecting an example from Help
3. Press CTRL+C.
4. In the worksheet, select cell A1, and press CTRL+V.
5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

1 2	A B Formula Description (Result) =IMABS("5+12i") Absolute value of 5+12i (13)