PYTHON acosh

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Python replacement for PHP's acosh [ edit | history ]

import math
math.acosh(arg) # Python 2.6+

PHP acosh

PHP original manual for acosh [ show | php.net ]

(PHP 4 >= 4.1.0, PHP 5)

acosh — Inverse hyperbolic cosine

float acosh ( float $arg )

Returns the inverse hyperbolic cosine of arg , i.e. the value whose hyperbolic cosine is arg .

The inverse hyperbolic cosine of arg

Version	Description
5.3.0	This function is now available on all platforms