ATANH function

Returns the inverse hyperbolic tangent of a number. Number must be between -1 and 1 (excluding -1 and 1). The inverse hyperbolic tangent is the value whose hyperbolic tangent is number; ATANH(TANH(number)) equals number.



Number     is any real number between 1 and -1.



Description (Result)


Inverse hyperbolic tangent of 0.76159416 (1, approximately)


Inverse hyperbolic tangent of -0.1 (-0.10034)

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