Pie chart II
From JSXGraph Wiki
The underlying JavaScript code
var board = JXG.JSXGraph.initBoard('jxgbox', {originX: 50, originY: 450, unitX: 50, unitY: 50, axis:true});
board.suspendUpdate();
var s = board.create('slider', [[8,7],[11,7],[1,1,1.5]],{name:'S',strokeColor:'black',fillColor:'white'});
var f = [function(){return (s.Value()*1).toFixed(2);},
function(){return (s.Value()*2).toFixed(2);},
function(){return (s.Value()*3).toFixed(2);},
function(){return (s.Value()*4).toFixed(2);},
function(){return 4;},
function(){return 2;},
function(){return 1;},
function(){return 1.2;},
function(){return 3;},
function(){return 1;},
function(){return 1.7;}
];
var a = board.create('chart', [f],
{
chartStyle:'pie',
colorArray: ['#0F408D','#6F1B75','#CA147A','#DA2228','#E8801B','#FCF302','#8DC922','#15993C','#87CCEE','#0092CE','#CA147A'],
center:[5,2],
strokeColor:'black',
highlightStrokeColor:'black',
strokeWidth:4,
highlightColorArray:['#E46F6A','#F9DF82','#F7FA7B','#B0D990','#69BF8E','#BDDDE4','#92C2DF','#637CB0','#AB91BC','#EB8EBF','#B0D990'],
highlightOnSector:true
});
board.unsuspendUpdate();