Atanh (Arc Tangent, Hyperbolic)

Returns the inverse hyperbolic tangent of a given number. Atanh is the inverse of the Tanh function. This is a single-value function.

For more information on the hyperbolic tangent function, see Tanh (tangent, hyperbolic).

Syntax

Atanh(Number)

Where:

Number is any real number between 1 and -1.