Share JSXGraph: example "Versiera di Agnesi"

JSXGraph
Share JSXGraph: example "Versiera di Agnesi"
This website is a beta version. The official release will be in **2023**.

Versiera di Agnesi

Parameter form: \[ \begin{aligned} x(t) &= a t, \\ y(t) &= {a\over t^2 + 1} \\ \end{aligned} \]
Web references:
// Define the id of your board in BOARDID

const board = JXG.JSXGraph.initBoard(BOARDID, {
    boundingbox: [-5, 5, 7, -5],
    axis: true
});

var a = board.create('slider', [[1,4], [4,4], [-5, 1, 5]], {name: 'a'});

var c = board.create('curve', [
    (t) => a.Value() * t,
    (t) => a.Value() / (t * t + 1)
], {strokeWidth: 3});