Pi from High School Maths

The Art of Machinery:

Warning: I don’t think the stuff in this post has any direct practical application by itself (unless you’re a nuclear war survivor and need to reconstruct maths from scratch or something). Sometimes I like to go back to basics, though. Here’s a look at

π

\pi

and areas of curved shapes without any calculus or transcendental functions.

A simple algorithm for calculating

π \pi