asinh

(PHP 4 >= 4.0.7, 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 .

Parameters

arg

The argument to process

Return Values

The inverse hyperbolic sine of arg

ChangeLog

Version	Description
5.3.0	This function is now available on all platforms

See Also

• sinh()
• asin()
• acosh()
• atanh()