To calculate the logarithm

The function returns the logarithm of a number to a base. If no parameter is specified for the base, it is 10. In the case of 0, the result is **-∞ **(minus infinity).

Syntax

log(number)

log(number, number)

Return

number

Example

`log(x,y)`

To calculate the logarithm of a number x to the base of a number y.

`log(x)`

To calculate the logarithm of a number x to the base of 10.

**Result:** 0

**Result: **-∞

**Result: **0.6826061944859853