On Tuesday (two days late for Pi Day), Veritasium posted the video below about calculations of Pi, from the days of Archimedes to the present. Some methods of calculation and approximation can be done on pen and paper, but like many things in mathmatics, massive breakthroughs were purely 20th century solutions made possible by computers.
“How I wish I could calculate Pi.”
3 . 1 4 1 5 9 2
How have I never heard that before tonight?