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

Sample Usage



The IMLOG10 function syntax has the following arguments:

  • Inumber    Required. A complex number for which you want the common logarithm.


  • Use COMPLEX to convert real and imaginary coefficients into a complex number.

  • The common logarithm of a complex number can be calculated from the natural logarithm as follows:


In order to use the IMLOG10 formula, start with your edited Excellentable

Then type in the IMLOG10 formula in the area you would like to display the outcome:

By adding the values you would like to calculate the IMLOG10 formula for, Excellentable will generate the outcome:


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