Pi Day celebrates the mathematical constant π (pi), 3.141592653... Pi is the ratio of a circle's circumference to its diameter. The circumference of a circle is defined as its arc length while the diameter is defined as the longest chord of the circle.
Top X Posts (formerly Tweets) for Pi Day - in 2021
Updated
Today is a huge day for mathematics!
(1) Pi Day 🥧 #PiDay
(2) International Day of Mathematics 🎉 #idm314
(3) Albert Einstein’s 142nd birthday 👨🔬 #onthisday https://t.co/tY61Hvpk3W
Bridlington Road Runners Pi Day challenge and virtual parkrun combined (VPR of 21.51), run as far as you can in 72 minutes, I’ll take that thanks 😊🏃♂️🥧 @RunComPod https://t.co/DlzrVfd0RI
(੭ˊ꒳ˋ)੭✧ GIVEAWAY (only need to like to enter until 9pm pst on pi day: 3/14)!
i woke up to 50 twitch followers/closer to aff???
i am SO GRATEFUL for your support!
I'll make you a 3D model, or any part of it (hair texture is probably the strongest part of mine), in my style! https://t.co/8LNJE9A7Tm
🎉 It's almost our B-day!
Bifrost & BiFi are projects created by PiLab, blockchain research lab founded on 3/14/2016. To celebrate Pi Day (π=3.14..🥧), we're giving out 314 BFC_K to 30 winners EACH! How to enter...👇 https://t.co/NB2qCURpiF
Happy #PiDay!
I'm very excited about Pi day this year because today I turn 31.41 years old, or ~10pi (a very good approximation for an astronomer like me)
Wish I could say I'm celebrating by eating ten pies. Instead here's a throwback to that time I made French apple pie :) https://t.co/QvRcS4OzJy
Pi Day 2021 was a success. It might have been a little different this year like everything else, but this group produced 9 amazing videos. Happy Pi Day to all my past and present students.@WeboJrSrHigh https://t.co/Tj1Au7eT7v