lagrange

HTML

<link rel="stylesheet" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css">
<script src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script>
<div id="jxgbox" class="jxgbox" style="width:500px; height:500px;"></div>

JavaScript

var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-10, 10, 10, -10], axis: true});

var x = board.defaultAxes.x;
var y = board.defaultAxes.y;

x.setAttribute({name:'time',withLabel:true});
x.label.setAttribute({position: 'm', offset: [10, 10]});

y.setAttribute({name:'more time',withLabel:true});

y.label.setAttribute({offset: [0, 100], rotate: 90});

var tRot = board.create('transform', [30.0*Math.PI/180.0, 1, 2], {type:'rotate'});
tRot.bindTo(x.label.content);