# ATANH Function

The ATANH function is one of the math and trigonometry functions. It is used to return the inverse hyperbolic tangent of a number.

The ATANH function syntax is:

ATANH(x)

where x is a numeric value greater than - 1 but less than 1 entered manually or included into the cell you make reference to.

To apply the ATANH function,

1. select the cell where you wish to display the result,
2. click the Insert function icon situated at the top toolbar,
   or right-click within a selected cell and select the Insert Function option from the menu,
   or click the icon situated at the formula bar,
3. select the Math and trigonometry function group from the list,
4. click the ATANH function,
5. enter the required argument,
6. press the Enter button.

The result will be displayed in the selected cell.