Make Any Number From Four 's!

Happy Pi Day! Here's the four pi's challenge: write an equation using pi exactly four times to equal 0, 1, 2, ... and any integer. There's an incredible solution, with a huge assist from the Nobel Laureate physicist Paul Dirac! Thanks to Tai C. Chiang, Peter, Puzzling and the StackExchange community! References #solution Subscribe: Send me suggestions by email (address in video). I consider all ideas though can't always reply! Like many YouTubers I use popular software to prepare my videos. You can search for animation software tutorials on YouTube to learn how to make videos. Be prepared--animation is time consuming and software can be expensive! Why are there comments before the video is published? Get early access and support the