ATanH

Returns the inverse hyperbolic tangent of a number. Number must be between -1 and 1 (excluding -1 and 1). The inverse hyperbolic tangent is the value whose hyperbolic tangent is number; ATanH(TanH(number)) equals number.

Syntax

Rhino.ATanH (dblNumber)

Parameters

dblNumber

Required. Number. A number between -1 and 1.

Returns

Number	The inverse hyperbolic tangent of a number if successful.
Null	If not successful, or on error.

Example

MsgBox Rhino.ATanH(0.76159416)

Also See

ACosh

ASinH