Documentation/How Tos/Calc: ATANH function

ATANH

Returns the inverse hyperbolic tangent of a number.

Syntax:

ATANH(number)

returns the inverse hyperbolic tangent of number, in other words the number whose hyperbolic tangent is number.

number must obey the condition -1 < number < 1.

Example:

ATANH(0)

returns 0.

See also:

ACOSH, ASINH, ACOTH,

COSH, SINH, TANH, COTH,

Mathematical functions

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