Definition:Area Hyperbolic Tangent/Symbol/arc tanh

Area Hyperbolic Tangent: Symbol

A questionable and clumsy symbol used to denote the area hyperbolic sine function is $\operatorname {arc tanh}$.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): arc cosh, arc sinh, arc tanh, etc.${}$