pi.json

{
    "id": "pi",
    "summary": "Pi (π)",
    "description": "The real number Pi (π) is a mathematical constant that is the ratio of the circumference of a circle to its diameter. The numerical value is approximately *3.14159*.",
    "categories": [
        "math > constants",
        "math > trigonometric"
    ],
    "parameters": [],
    "returns": {
        "description": "The numerical value of Pi.",
        "schema": {
            "type": "number"
        }
    },
    "links": [
        {
            "rel": "about",
            "href": "http://mathworld.wolfram.com/Pi.html",
            "title": "Mathematical constant Pi explained by Wolfram MathWorld"
        }
    ]
}