ATANH

Name

Inverse hyperbolic tangent

Description

Returns the inverse hyperbolic tangent of a number.

Syntax

ATANH(value)

Remarks

The value argument is any real number between 1 and –1, excluding –1 and 1.

Note that atanh(tanh(value)) equals value.

See also ACOS, ACOSH, ASIN, ASINH, ATAN, ATAN2, COS, COSH, SIN, SINH, TANH, and TAN.

Data Type

Accepts numeric data. Returns numeric data. For more information, see Data Type for Each Cell Type.

Example

ATANH(B5)
ATANH(0.55)=0.6183813136
ATANH(-0.2)=-0.2027325541