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Thank you to all the people I know whose math classes do not require such pastimes!More videos/info: http://vihart.com/doodlingDoodling Snakes + Graphs: ttp://www.youtube.com/watch?v=heKK95DAKmsDoodling Stars: http://www.youtube.com/watch?v=CfJzrmS9UfYhttp://vihart.com. Created by Vi Hart.