let manager = new Manager(
	document.getElementsByTagName('main')[0]
);
manager.add_canvas(500, 500);
manager.add_canvas(500, 500).figure.add_axes().plot(
	[0,1,2,3,4,5]  ,
	[0,1,4,9,16,25],
);
manager.list_canvas[0].figure.list_axes[0].plot(
	[0,1,2,3,4,5],
	[0,2,4,6,8,10]
);
manager.draw();