Download or read book The Abacus and the Cross written by Nancy Marie Brown and published by Basic Books (AZ). This book was released on 2010-12-07 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traces the achievements of medieval Pope Sylvester II, revealing his lesser-known role in promoting scientific awareness throughout turn-of-the-first-millennium Catholicism, in a report that includes coverage of his humble origins and introduction of Arabic numerals to Europe.