pi_circle.png

Hello there.

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

The Josephus Problem

The Josephus Problem

Brady Haran
Daniel Erman, Puzzle
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...

The Josephus Problem, featuring Daniel Erman from University of Wisconsin-Madison.

Winning at Dots and Boxes: https://youtu.be/KboGyIilP6k

Correction: Around 9:40 that should be L less than 2^a NOT 2a --- Sorry, typo in editing! But you got the point hopefully.

The Seven Bridges of Königsberg

The Seven Bridges of Königsberg
Imagining Numbers as Shapes

Imagining Numbers as Shapes