Vi Hart’s Math class doodles

Despite the fact that I grew up to earn a degree in mathematics, I remember math classes in my elementary school as pretty much the dullest subject on earth. Which is probably one of the reasons I love Vi’s doodles so much. Experiencing mathematics through doodling while bored seems way more fun than paying attention did. Here’s a video of binary tree and fractal doodles:

Check out the other neat stuff (including more in the doodle series) at

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About terriko

Terri has a PhD in horribleness, assuming we can all agree that web security is kind of horrible. She stopped working on skynet (err, automated program repair and AI) before robots from the future came to kill her and got a job in open source, which at least sounds safer. Now, she gets paid to break things and tell people they're wrong, and maybe help fix things so that people won't agree so readily with the first sentence of this bio in the future. Terri writes/tweets under the name terriko, enjoys making things and mentoring others and has a plain ol' home page at