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, so ATANH(TANH(number)) equals number.

Syntax

ATANH(number)  

Parameters

Term Definition
number Any real number between 1 and -1.

Return value

Returns the inverse hyperbolic tangent of a number.

Example

Formula Description Result
=ATANH(0.76159416) Inverse hyperbolic tangent of 0.76159416 1.00000001
=ATANH(-0.1) -0.100335348

See also

ATAN function (DAX)