##### Using the ATANH function:

The arguments for the ATANH function are:

Argument | Required? | Description |
---|---|---|

number | Required | Any real number between 1 and -1. |

ATANH takes 1 required argument and no optional arguments:

ATANH(number)

The arguments for the ATANH function are:

Argument | Required? | Description |
---|---|---|

number | Required | Any real number between 1 and -1. |