ATANH function

ATANH returns the inverse hyperbolic tangent of a number.

Syntax

ATANH (number)

This function returns the inverse hyperbolic tangent of number, which is the value whose hyperbolic tangent is Number. The Number must be between -1 and 1 (excluding -1 and 1).

Example

=ATANH(0.76159416) returns 0.76159416(1,approximately).

=ATANH(-0.1) returns -0.1(-0.10034).