A 3D Pie chart

[No canvas support]

This goes in the documents header: 
<script src="RGraph.common.core.js"></script>
<script src="RGraph.common.dynamic.js"></script>
<script src="RGraph.common.tooltips.js"></script>
<script src="RGraph.pie.js"></script>

<style>
    .RGraph_tooltip {
        font-size: 16pt !important;
        font-weight: bold;
        text-align: center;
        padding: 15px;
    }
</style>
Put this where you want the chart to show up: 
<canvas id="cvs" width="550" height="350">
    [No canvas support]
</canvas>
This is the code that generates the chart: