How many digits can you recite?
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Estimate Pi by Dropping Sticks
A simulator based on one of the oldest problems in geometrical probability approximates pi.
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Pi Day Mashup
It’s Pi Day (and Einstein’s birthday). Celebrate with this mix of tributes to the telltale Greek letter that symbolizes that endless number.
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How Many Digits Of Pi Do We Really Need?
Mathematician James Grime of the YouTube channel Numberphile has determined that 39 digits of pi should suffice.
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Eugenia Cheng: How To Bake Pi
In her new book How to Bake Pi, mathematician Eugenia Cheng cooks up digestible math lessons on number theory to topology.
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SciFri Celebrates π
This year holds an unusually special treat for enthusiasts of the constant π: March 14, 2015 approximates π not just to the usual three digits (3.14) but to five: 3.14.15.