Calculator Unboxing #1

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...

We put three calculators through their paces with a series of special tests.

Featured are the Morrisons Desktop Calculator, WHSmith Scientific Calculator and Canon AS-120 Arc Design.

Featuring Matt Parker - https://twitter.com/standupmaths