The LOG function calculates the logarithm of the positive number x to a specified base b. If b is omitted, LOG uses 10 instead.
For example:
LOG(8, 2)
returns the value 3, since 2 raised to the power 3 is 8.
LOG(1e6)
returns 6, since 10 raised to the power 6 is 1,000,000 i.e. 1E6.
See also: