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This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Pi and Four Fingers

Pi and Four Fingers

Brady Haran
Simon Singh, Pi
Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.Check out Brilliant (get 20% off their premium service): https://brillian...

Pi, Spigot Algorithms and why The Simpsons is not in Base 8?

Simon Singh's book is at: http://amzn.to/1fKe4Yo

Shapes and Solids of Constant Width

Shapes and Solids of Constant Width
Cyclic Numbers

Cyclic Numbers