In Excel, we can define the base-10 logarithm using the following formula.
See theIMLNfunction for a more in-depth explanation of the complex logarithm.
IMLN Function
The Excel IMLN function returns the natural logarithm of a complex number.
IMLOG2 Function
The Excel IMLOG2 function returns the base-2 logarithm of a complex number.
LOG10 Function
The Excel LOG10 function returns the base 10 logarithm of a number.
For example, LOG10(100) returns 2, and LOG10(1000) returns 3.
