>
<input type="text" id="expr" value="2 + 2" />
<input type="button" id="send" value=" = " onclick="Calc.eval_expr()" />
<div id="result"></div>
<p>&nbsp; JSON-RPC traffic is being dumped to console.</br />
&nbsp; "Server error" means that the remote method died.</p>
</body>
</html>
