Create your own constructions/visualizations using JavaScript

First step

Link to prototye.js and to jsxgraphcore.js:

<link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" />
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/prototype.js"></script>
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script>

Second step

Insert a div inside of the document body:

<div id="box" class="jxgbox" style="width:400px; height:400px;"></div>