Type:
log: real -> real
log: real x real -> real
Call syntax:
log(operand)
log(basis,
operand)
Description:
log implements logarithms.
Specification of a base is optional, if ommitted,
log assumes base e.
Error conditions:
Negative bases
as well as negative or zero arguments
lead to error conditions.
Example:
> log(1)
Result= 0.00000000
> log(10,10000)
Result= 4.00000000
> log(0)
Error in command-line:
Invalid argument value
(occured while executing function "log")