ATANH (Number) ATANH (Number)
Number
Number Number
The input number, which must be strictly between -1 and 1.
Returns
Number Number
The inverse hyperbolic tangent.
Returns the inverse hyperbolic tangent of a number. This is the inverse of TANH. The input must be strictly between -1 and 1.
Example
ATANH (0.76159416)
ATANH (0,76159416)
Returns roughly 1.