OpenOffice3.org Calc 3. Mathematical Functions

LN(Number) Function

Calculates the natural logarithm of the argument “Number”. The argument “Number” must be a numeric value greater than zero. The function returns a numeric value, negative, positive or zero. For example:

=LN(-2) Returns Err:502. The argument is wrong because it is a negative number.
=LN(2) Returns 0,693. The result is expressed with 3 decimal places.
=LN(100) Returns 4,605.

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