Great talk

Great talk, especially love the challenge at the end.

math fun :)

The Joy of Pi by David Blatner
My rating: 3 of 5 stars

For someone who is a professional mathematician, this little collection of facts and anecdotes about the number Pi might seem trivial or boring. But to a math amateur like me who had about two dozen hours of math in the college of Engineering, this book was great fun. Lots of interesting facts, and many many humorous and sometimes scary stories about people who were fanatical about the number Pi and "squaring the circle". I enjoyed this collection!

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