books.google.com - "Georges Ifrah is the man. This book, quite simply, rules. . . . It is outstanding . . . a mind-boggling and enriching experience." –The Guardian (London) "Monumental. . . . a fascinating journey taking us through many different cultures."–The Times (London)"Ifrah’s book amazes and fascinates by...https://books.google.com/books/about/The_Universal_History_of_Numbers.html?id=z7VBM_cQDe8C&utm_source=gb-gplus-shareThe Universal History of Numbers
I read D H Bailey @ J M Borwein's "the Greatest Mathematical Discovery?". Their quotations from the work of Ifrah are compelling me to get this work and get enlightened on a scantily referred invention.