Math and Trignometric - ATANH Function

Description

The ATANH function returns the inverse hyperbolic tangent of a number. The inverse hyperbolic tangent is the value whose hyperbolic tangent is number, so ATANH (TANH (number)) equals number.

Syntax

ATANH (number)

Arguments

Argument	Description	Required/Optional
Number	Any real number between (but not equal to) 1 and -1.	Required

Notes

If the specified number is ≤ -1 or ≥ 1, ATANH returns #NUM! error.
If the specified number is non-numeric, ATANH returns #VALUE! Error.

Applicability

Excel 2007, Excel 2010, Excel 2013, Excel 2016

Example

advanced_excel_math_trigonometric_functions.htm