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Mathematics: Di Hart's videos

Doodling in math

Binary Trees

Infinity Elephants

Triangle Party

Wau - the most amazing, ancient and singular number

Origami proof of the Pythagorean theorem

Fractal Fractions

Visual multiplication

Doodle Music

Doodling in Math 2/3

Stars

Sick Number Games

Wind and Mr Ug

Are Shakespeare's plays encoded with Pi?

9.999... reasons that .999 = 1

Angle-a-trons

The Gauss Christmath Special

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Doodlling in Math

Snakes and Graphs

Squiggle Inception

Fruit by the foot

The science and maths of sound, frequency and pitch

Pi is (still) wrong

Binary hand dance

Rhapsody on the proof of Pi = 4