Returns the logarithm of a number, base e (Euler's number).
Sample Usage
LN(100)
LN(A2)
Syntax
LN(value)
-
value
- The value for which to calculate the logarithm, base e.value
must be positive.
Notes
-
LN
is equivalent toLOG
givenbase
of e, orEXP(1)
.
See Also
SQRTPI
: Returns the positive square root of the product of Pi and the given positive number.
SQRT
: Returns the positive square root of a positive number.
POWER
: Returns a number raised to a power.
LOG10
: Returns the logarithm of a number, base 10.
LOG
: Returns the logarithm of a number given a base.
GAMMALN
: Returns the logarithm of a specified Gamma function, base e (Euler's number).
EXP
: Returns Euler's number, e (~2.718) raised to a power.