Document how to use logarithm of base 10 with log()
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<return type="float" />
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<param index="0" name="x" type="float" />
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<description>
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Returns the natural logarithm of [param x]. This is the amount of time needed to reach a certain level of continuous growth.
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[b]Note:[/b] This is not the same as the "log" function on most calculators, which uses a base 10 logarithm.
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Returns the [url=https://en.wikipedia.org/wiki/Natural_logarithm]natural logarithm[/url] of [param x] (base [url=https://en.wikipedia.org/wiki/E_(mathematical_constant)][i]e[/i][/url], with [i]e[/i] being approximately 2.71828). This is the amount of time needed to reach a certain level of continuous growth.
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[b]Note:[/b] This is not the same as the "log" function on most calculators, which uses a base 10 logarithm. To use base 10 logarithm, use [code]log(x) / log(10)[/code].
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[codeblock]
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log(10) # Returns 2.302585
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[/codeblock]
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