PHP: atanh() function
Description
The atanh() function returns the inverse hyperbolic tangent of an angle.
Note: This function was not compatible on windows platform before 5.3.0 version.
Version:
(PHP 4 and above)
Syntax:
atanh(number)
Parameter:
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| number | Numeric value. | Required | Float |
Return value:
The inverse hyperbolic tangent of the number.
Value Type: Float.
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