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WorksheetFunction.Atanh Method (Excel)

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

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

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

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