Paper Calculator

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...

Comic book genius Jason Shiga shows us a calculator made of paper. We've got more coming from Jason which will explain WHY he made this (besides the fact it is just cool!)

Jason's acclaimed book Meanwhile: http://amzn.to/2aAzDwE

See Matt Parker's Domino Computer: https://youtu.be/lNuPy-r1GuQ

Calculator Unboxings: http://bit.ly/CalcUnbox