Power functions

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b = JXG.JSXGraph.initBoard('jxgbox', {axis:true, originX: 300, originY: 200, unitX: 20, unitY: 20});
b.suspendUpdate();
var n = b.create('slider',[[-5,-2],[5,-2],[-5,1,5]],{name:'n'});
var m = b.create('slider',[[1,-4],[10,-4],[1,1,10]],{name:'m'});
b.create('functiongraph', [function(t){ return b.pow(t,n.Value()/m.Value()); }],{strokeColor:'#ff0000'});
b.create('text',[-5, 3, function(){ return 'y=x<sup>'+b.round(n.Value()/m.Value(),3)+'</sup>';}]);
b.unsuspendUpdate();