plot string expression

HTML

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

JavaScript

var board = JXG.JSXGraph.initBoard('box', {boundingbox: [-10, 10, 10, -10]}),
    expr = '-0.3*x^2',
    p = board.create('plot', [expr]);

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plot string expression

HTML

JavaScript

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Use pre-released features

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Private collections and fiddles

Console