asinh

(PHP 4 >= 4.1.0, PHP 5)

asinh -- Inverse hyperbolic sine

Description

float asinh ( float arg )

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

Poznámka: T�to funkcia nie je implementovan� na platform�ch Windows.

See also: asin(), acosh(), and atanh().