<< Click to Display Table of Contents >> ATANH (inverse hyperbolic tangent)

Syntax:

ATANH(Number)

Description:

The ATANH function (inverse hyperbolic tangent) is the inverse function of the TANH function: It returns the inverse hyperbolic tangent of a number – that is, the value whose TANH is the Number.

Number must be within the range from -1 to 1 (excluding -1 and 1).

Example:

ATANH(0.5) returns 0.54931

ATANH(TANH(0.1234)) returns 0.1234

See also:

TANH