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atanh

inverse hyperbolic tangent

Returns the inverse of tanh.

Usage: nerdamer("atan(x)")

Parameters

expression x Returns the appropriate value if possible otherwise it returns the function with the simplified expression

Returns

Expression
EXAMPLES: 
var r = nerdamer('atanh(0)');
console.log(r.text());
var t = nerdamer('atanh(-1)').evaluate()
console.log(t.text());
OUTPUT:
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