Fractal Corner | Fun with Numbers | Miscellaneous

**Pi Day Countdown**

Pi is one of the oldest and most famous constant in mathematics. Here is a list of the Pi Day countdowns from March 2015

- Pi Day Countdown welcome letter
- Pi Day Countdown #1 – Pi and the Babylonians
- Pi Day Countdown #2 – Pi and the Egyptians
- Pi Day Countdown #3 – Pi and Plato
- Pi Day Countdown #4 – Pi and Archimedes
- Pi Day Countdown #5 – Pi and Liu Hui
- Pi Day Countdown #6 – Pi and Zu Chongzhi
- Pi Day Countdown #7 – Pi and Infinity
- Pi day Countdown #8 – Pi and Viete
- Pi Day Countdown #9 – Pi and the Triangle Part 1
- Pi Day Countdown #10 – Pi and the Triangle Part 2
- Pi Day Countdown #11 – Pi and Irrationality
- Pi Day Countdown #12 -Pi and Transcendental number