log

The log function returns the natural logarithm function.

Syntax

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    log( X )

Arguments

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• X: A real number greater than 0.

Results

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• The natural logarithm is the base-e logarithm: the inverse of the natural exponential function (exp).
• null if the argument is negative or null or can’t be converted to a real value.

Examples

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This returns 4:

print log( 54.598 )