Calculator Unboxing #8 (Printing Digits)

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...

A printing calculator with a dangerous twist? The Casio HR-100TE Plus-W.

More unboxing videos: http://bit.ly/CalcUnbox

More at: http://www.ssaarcasfpaa.com/

T-Shirts: http://bit.ly/Calc_Tshirt

A reddit thread for this video: https://redd.it/505o14

Featuring Matt Parker.
https://www.youtube.com/standupmaths