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 .

Note: This function is not implemented on Windows platforms.

Parameters

arg: The argument to process

Return Values

The inverse hyperbolic sine of arg

See Also