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Online Graphing Calculators: WebGraphing.com. Joy of Pi | Pi Links. Here are some fun pi factoids, poems, stories, pictures, and trivia. Have a great pi fact or story? Send it to us! The record has been broken (again)! It's hard to imagine a trillion of anything (it's a million million), but Shigeru Kondo calculated 5 trillion digits of pi in August of 2011... and then blew that away with 10 trillion digits! It was only a couple of years ago that Fabrice Bellard had calculated 2.7 trillion (2.7 thousand thousand million) decimal digits of pi. It took over 130 days, but he did it with a single PC (running Linux) and a very powerful algorithm.
Previous records: In September, 1999, Dr. For more on world records, see this Wikipedia entry. Cartoon displayed by permission of John Grimes. Move one matchstick to make the equation approximately true. One man's definition of pi (from Godling's Glossary, by Dave Krieger): How to bisect an angle with compass and straightedge or ruler. Math Interactives. Geometry.