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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).

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.

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