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log - Natural logarithm

log( float$num, [float$base = M_E] ): float

If the optional base parameter is specified, log returns logbase num, otherwise log returns the natural logarithm of num.



The value to calculate the logarithm for


The optional logarithmic base to use (defaults to 'e' and so to the natural logarithm).

Return Values

The logarithm of num to base, if given, or the natural logarithm.

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Function log:

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