{
  "id": "fn-math-atanh",
  "dataComponent": "math",
  "heading": {
    "title": "atanh",
    "badges": ["Math", "JSMath"]
  },
  "synopsis": "Computes the inverse hyperbolic tangent of a numeric argument in the range (-1,1).",
  "codeBlocks": [
    "extend(\"math\")\\n\\nsput( math:atanh(0) )\\n# => 0\\n\\nsput( math:atanh(0.5) )\\n# => ~0.549306144334\\n"
  ],
  "notes": [
    "Accepts 1 numeric argument strictly between -1 and 1 for finite real results.",
    "If out of range or exactly ±1, might produce error or Infinity/NaN (depending on bridging)."
  ]
}
