Lines, Bars and Circles. How William Playfair Invented Graphs

By: Helaine Becker, 

Age: 4+  | Published by: Marie-Ève Tremblay

ISBN: 9781771385701

Keywords: 
1759-1823,  bar graph,  biography,  graphs,  history,  line graph,  math,  mathematics,  numbers,  numeracy,  pie graph,  true story,  visual representation of numbers,  William Playfair,