WorksheetFunction.Atanh method (Excel)

Returns the inverse hyperbolic tangent of a number. Number must be between -1 and 1 (excluding -1 and 1).

Syntax

expression.Atanh (Arg1)

expression A variable that represents a WorksheetFunction object.

Parameters

Name	Required/Optional	Data type	Description
Arg1	Required	Double	Any real number between 1 and -1.

Return value

Double

Remarks

The inverse hyperbolic tangent is the value whose hyperbolic tangent is Arg1, so Atanh(Tanh(number)) equals Arg1.

Support and feedback

Have questions or feedback about Office VBA or this documentation? Please see Office VBA support and feedback for guidance about the ways you can receive support and provide feedback.