{% extends arithmetic_template %}

{% block maincell %}
<script src="/javascript/exercises/riemann_sums.js?{{App.version}}"></script>

<script type="text/javascript">
    var exercise = new RiemannSumsExercise();
    exercise.init();

    function graph_update(paper) {
	exercise.graphUpdate(paper);
    }

    function next_step() { exercise.nextStep(); }
    
</script>
{% endblock maincell %}

{% block graphdisplay %}
<td valign=top><iframe name="present" frameborder=0 src="/graphpage.html?w=450&h=450" height="490" width="490"></iframe></td>
{% endblock graphdisplay %}