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.

Huomaa: T�t� funktiota ei ole viel� implementoitu Windows-alustalle.

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