Today is the start of the pi day countdown. Pi day is a celebration of the number pi or π. Pi is the ratio of a circle's circumference to its diameter. It starts 3.14159 and goes on forever. So, every day up until pi day I will post something pi (or pie) related. To start us off, here is the official pi day website:
http://www.piday.org/
If you're confused about what pi is, here's a good explanation:
http://mathforum.org/dr.math/faq/faq.pi.html
Have a nice pie, er, day!
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