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 Excel > Functions > Engineering > IMARGUMENT

 

IMARGUMENT(inumber)

 
 Returns the argument (theta), an angle expressed in radians.

 inumberThe complex number for which you want the argument.

 REMARKS
 
  • In Excel 2007 (and later) this function has been removed from the Analysis ToolPak add-in and is available as standard.
     
  • In Excel 2003 this function is only available when you have the Analysis ToolPak add-in loaded.
     
  • In Excel 2007 the format returned by this function has been changed so that the imaginary part is displayed in consistent scientific notation.
     
  • 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=IMARGUMENT("3+4i") = 0.927
    2=IMARGUMENT("3+4j") = 0.927
    3=IMARGUMENT("3+4k") = #NUM!
    4=IMARGUMENT("some text") = #NUM!
     

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