LN

Syntax:

LN ( x )

Description: Computes the natural logarithm of x.

Arguments:

Name	Type	Description
x	number	The positive real number for which the natural logarithm is being computed.

 

Return Type and Value: number – The natural logarithm of x.

However, if x is zero or negative, #NUM! is returned.

[Example:

LN(86) results in 4.454347296
LN(2.7182818) results in 0.99999999
LN(EXP(3)) results in 3

end example]