Today is the -day, and here are some cool things to check out:
Interview with Terence Tao from Numberphile.
If you like to estimate yourself with the Monte Carlo method, this is a fun video to check out. Try to write a code and see how fast you get 100 digits of .
Oh finally, eat some pie for sure.
Update: Just heard you can also compute with coprime numbers. Here is a video.