ATANH

Description Returns the inverse hyperbolic tangent of a number.

Syntax ATANH ( number )

Argument	Description
number	A number between -1 and 1, excluding -1 and 1.

Examples This function returns .55:

ATANH(.5)

This function returns -.26:

ATANH(-.25)

See Also ACOS, ASINH, TANH