A brief history of numerical systems - Alessandra King | IELTS, ESP, EAP and CALL | Scoop.it
From ed.ted.com - January 22, 2017 6:10 AM
1, 2, 3, 4, 5, 6, 7, 8, 9... and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of them? And why do we arrange them the wa