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