Excel: ATanh Function

In Excel, the ATanh function returns the inverse hyperbolic tangent of a number.

The syntax for the ATanh function is:

ATanh( number )

number is a number between 1 and -1 (excluding the values of -1 and 1).

Applies To:

For example:

Let's take a look at an example:

Based on the Excel spreadsheet above:

=ATanh(A1) would return -1.47221949

=ATanh(A2) would return 0

=ATanh(A3) would return 1.256152812

=ATanh(-0.75) would return -0.972955075