Books by Keith J. Devlin
language
English
review 1: Difficult to read at times and often repetitive but an interesting story. Fibonacci learned the math of the Islamic countries and traders on the Mediterranean and taught it to the traders of Europe. Before this time Europe used Roman Numerals which prevented the use of 0, multi...
language
English
review 1: Letter writing is most certainly a lost art. "I beg you to inform me how you would proceed in your research on this problem. I shall receive your reply with respect and joy, even if your opinion should be contrary to mine." contrasted with today's modern flame wars. Having ju...