Infinite Series is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV ...

To calculate pi a little bit more precisely, replace the red ball with one that is 100 times less massive than the blue ball – a ping pong ball might work, so we will call this the white ball.

Want to know the 100,000,000th digit of pi? ... Multiply the series above by 16 n. ... It allows us to check what any digit of π is without calculating the ones that come before it.