Returns the base-2 logarithm of a complex number in x + yi or x + yj text format.
A variable that represents a WorksheetFunction object.
Inumber - a complex number for which you want the base-2 logarithm.
Use COMPLEX to convert real and imaginary coefficients into a complex number.
The base-2 logarithm of a complex number can be calculated from the natural logarithm as follows: