atanh
atanh
(PHP 4 >= 4.1.0, PHP 5, PHP 7)
atanh — Inverse hyperbolic tangent
Description
float atanh ( float $arg )
Returns the inverse hyperbolic tangent of arg, i.e. the value whose hyperbolic tangent is arg.
Parameters
arg
The argument to process
Return Values
Inverse hyperbolic tangent of arg
Changelog
| Version | Description |
|---|---|
| 5.3.0 | This function is now available on all platforms |
See Also
- tanh() - Hyperbolic tangent
- atan() - Arc tangent
- asinh() - Inverse hyperbolic sine
- acosh() - Inverse hyperbolic cosine
← atan
base_convert →
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