IMARGUMENT

Microsoft Office Excel 2003

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See Also

Returns the argument Theta (theta), an angle expressed in radians, such that:

Equation

If this function is not available, and returns the #NAME? error, install and load the Analysis ToolPak add-in.

ShowHow?

  1. On the Tools menu, click Add-Ins.
  2. In the Add-Ins available list, select the Analysis ToolPak box, and then click OK.
  3. If necessary, follow the instructions in the setup program.

Syntax

IMARGUMENT(inumber)

Inumber is a complex number for which you want the argument Theta.

Remarks

  • Use COMPLEX to convert real and imaginary coefficients into a complex number.
  • IMARGUMENT is calculated as follows:

    Equation

    where:

    Equation  and

    z = x + yi

Example

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

Show How?

  1. Create a blank workbook or worksheet.
  2. Select the example in the Help topic. Do not select the row or column headers.

    Selecting an example from Help

    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 Tools menu, point to Formula Auditing, and then click Formula Auditing Mode.
 
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Formula Description (Result)
=IMARGUMENT("3+4i") Theta argument of 3+4i, in radians (0.927295)
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