LN
Last updated
Last updated
Computes the natural logarithm where is the given input.
X
Type: numeric
A numeric value.
Type: double
The natural logarithm of X
.
Note that if , then the function returns a null value.
1
0.0
0
null
2
0.6931471805599453
0.5
-0.6931471805599453
4 * 5
2.995732273553991
0.0