LOG10 Function (DAX)
Returns the base-10 logarithm of a number.
A positive number for which you want the base-10 logarithm.
A decimal number.
The LOG function lets you change the base of the logarithm, instead of using the base 10.
The following formulas return the same result, 2:
=LOG(100,10) =LOG(100) =LOG10(100)