How do toothpicks approximate the value of pi? I'll show you by coding a simulation in p5.js!
- Wikipedia page describing Buffon's Needle. 
- Explanation from Technology Education College of Education @ University of Illinois. 
- Simulation by Thomas Ogden 
- Editingby Mathieu Blanchette 
- Animationsby Jason Heglund 
- Pi Day Songby Will from America 


