Description
Gets the natural logarithm of a number.
Syntax
Log ( n )
|
Argument |
Description |
|---|---|
|
n |
The number for which you want the natural logarithm (base e). The value of n must be greater than 0. |
Return value
Double. Returns the natural logarithm of n. An execution error occurs if n is negative or zero.
Inverse
The inverse of the Log function is the Exp function.
Examples
This expression returns 2.302585092:
Log(10)
This expression returns -.693147 ...:
Log(0.5)
Both these expressions result in an error at runtime:
Log(0) Log(-2)
See also
