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 Microsoft Excel > Functions > Engineering > IMLOG10
 

IMLOG10(inumber)

 
 Returns the common logarithm (base 10) of a complex number in x + yi or x + yj text format.

 inumberThe complex number you want the common logarithm of.

 REMARKS
 
  		• This function is only available if you have the Analysis ToolPak add-in installed.
     
  		• 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=IMLOG10("3+4i") = 0.698970004336019+0.402719196273373i
    2=IMLOG10("3+4j") = 0.698970004336019+0.402719196273373j
    3=IMLOG10("4j") = 0.602059991327962+0.68218817692092j
    4=IMLOG10("4") = 0.602
    5=TEXT(IMLOG10("4"),"0.000") = 0.602
    6=IMLOG10("some text") = #NUM!
    		 
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