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Oh HapPI Day!

Eat delicious baked goods while celebrating math!

Eat delicious baked goods while celebrating math!

ThinkGeek, what's special about this year's Pi Day?" Uh, it's an excuse to eat pies and celebrate math. How much more special can a day get?

Maybe you're new to this whole "Pi Day" phenomenon, so let us break it down for you. Here's what you likely already know about our most favorite constant:

  • Pi ( π ) is the ratio of a circle's circumference to its diameter
  • It's an irrational number so its digits are infinite and non-repeating
  • 3.14 are the first digits of Pi (which is why Pi Day falls on 3/14 every year)

Now... here's some fun Pi facts you might not know!!

  • In the Greek alphabet, π is the sixteenth letter; in the English alphabet, P is also the sixteenth letter
  • Suresh Kumar Sharma currently holds the world record for memorizing the most digits of Pi at 70,030
  • Pi has been studied by the human race for ~4,000 years
  • The first million decimal places of pi consist of 99,959 zeros, 99,758 1s, 100,026 2s, 100,229 3s, 100,230 4s, 100,359 5s, 99,548 6s, 99,800 7s, 99,985 8s, and 100,106 9s
  • Albert Einstein was born on Pi Day in 1879
  • There are no occurrences of the sequence 123456 in the first million digits of pi

Find out more facts about Pi here!

Celebrate the perfect irrationality of math and the universe - in style!

"Put me down for 3.14. I'm good for it." Get your free Pi Day 2016 shirt with any $25+ purchase, while supplies last!

Live irrationally, Pi hard.

Live irrationally, Pi hard.

An artistic approximation of Pi

Pi By Numbers Shirt

Pi By Numbers Shirt

Irrationally Chill

Pi Ice Cube Tray

Pi Ice Cube Tray

Fashion comes full circle

Infinite Pi Scarf

Infinite Pi Scarf

More Pi Day Swag Here!

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meaningless icon! Additional trivia: Timmy's Minions won a tie breaker at one Trivia Night because Erik Davis was able to accurately recall more digits of pi than the other team.
Lugh said this 926 days ago.

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