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PHP asinh() Function

< PHP Math Reference

Example

Return the inverse hyperbolic sine of different numbers:

<?php
echo(asinh(7) . "<br>");
echo(asinh(56) . "<br>");
echo(asinh(2.45));
?>

Definition and Usage

The asinh() function returns the inverse hyperbolic sine of a number.

Syntax

asinh(number);

Parameter	Description
number	Required. Specifies a number

Technical Details

Return Value:	The inverse hyperbolik sine of number
Return Type:	Float
PHP Version:	4.1+
PHP Changelog:	PHP 5.3: asinh() is now available on all platform

< PHP Math Reference