PHP expm1() Function

PHP Math Reference : Return exp() - 1

Definition and Usage

The expm1() function returns exp(x) - 1.

expm1(x);

Parameter	Description
x	Required. Specifies the exponent

Return Value:	'e' raised to the power of x minus 1
Return Type:	Float
PHP Version:	4.1+
PHP Changelog:	PHP 5.3 - expm1() is now available on all platforms

❮ PHP Math Reference

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