Google Chart for Powers of 2

by Brian von Konsky

HTML

<script type="text/javascript" src="https://www.google.com/jsapi"></script>
  <div id="chart_div"><div>

JavaScript

google.load('visualization', '1', {packages: ['corechart', 'line']});
google.setOnLoadCallback(drawTrendlines);

function drawTrendlines() {
      var curve = [ ];
    for (var i=0; i<=10 ; i++) {
        curve[i] = [i, Math.pow(i, 2)];
    }
      var data = new google.visualization.DataTable();
      data.addColumn('number', 'X');
      data.addColumn('number', 'Powers of 2');

      data.addRows(curve);

      var options = {
        hAxis: {title: 'N'},
        vAxis: {title: 'Math.pow(N, 2)'},
        legend:{position:'none'},
        colors: ['#000000']
      };

      var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
      chart.draw(data, options);
    }