The LOG function returns a numeric value that approximates the logarithm to the base e (natural log) of argument-1. The type of this function is numeric.
Usage
FUNCTION LOG (argument-1)
Parameters
1. Argument-1 must be class numeric.
2. The value of argument-1 must be greater than zero.
Returned Values
The returned value is the approximation of the logarithm to the base e of argument-1.