Returns the inverse hyperbolic tangent of the specified number. The inverse hyperbolic tangent is the value whose hyperbolic tangent is n, so ATANH(TANH(n)) equals n.

Syntax  Copy Code
ATANH( Number n ) → Number

Parameters

n

Required. The number whose inverse hyperbolic tangent to find, in the range (-1…1).

Example

Formula  Copy Code
=ATANH(0.1) =ATANH(-0.5)

See Also

Function Reference
ATAN Function
TANH Function