[Function] returns the logarithm to the base e y (e mathematical constant)
Parameters y, numeric expression (condition y> 0)
[Back] Digital
[Example]
select exp(3),exp(-3),ln(20.0855369),ln(0.049787068) from dual;
Returns: 20.0855369, 0.049787068, 3, -3
Close] [log (x, y)
X is returned to the bottom of the logarithm of y
[Instead] exp (y)
E returned power of y