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EXPM1

Returns exp(number) - 1, computed in a way that is accurate even when the value of number is close to zero

SYNTAX

expm1 ( float $arg ) : float

PARAMETERS

arg

The argument to process

RETURN

'e' to the power of arg minus one

Note: 'e' is the base of the natural system of logarithms, or approximately 2.718282.

EXAMPLES

0.012416451948701

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