Definition:Area Hyperbolic Tangent/Symbol
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Area Hyperbolic Tangent: Symbol
The symbol used to denote the area hyperbolic tangent function is variously seen as follows:
The usual symbol used on $\mathsf{Pr} \infty \mathsf{fWiki}$ to denote the area hyperbolic tangent function is $\artanh$.
A variant symbol used to denote the area hyperbolic tangent function is $\operatorname {atanh}$.
A questionable symbol used to denote the area hyperbolic tangent function is $\operatorname {arctanh}$.
A questionable and clumsy symbol used to denote the area hyperbolic sine function is $\operatorname {arc tanh}$.