Simson L Garfinkel, Rachel H. Grunspan, "The Computer Book: From the Abacus to Artificial Intelligence, 250 Milestones in the History of Computer Science (Sterling Milestones)" ISBN: 145492621X | 2018 | EPUB | 528 pages | 62 MB
Yuko Arayama, Panos Mourdoukoutas, "The Rise and Fall of Abacus Banking in Japan and China" English | 2008 | ISBN: 1593112688 | PDF | pages: 204 | 3.5 mb
Nancy Marie Brown, "The Abacus and the Cross: The Story of the Pope Who Brought the Light of Science to the Dark Ages" English | 2010 | pages: 328 | ISBN: 0465009506, 0465031447 | EPUB | 4,1 mb
The Computer Book: From the Abacus to Artificial Intelligence, 250 Milestones in the History of Computer Science (Union Square & Co. Milestones) By Simson L Garfinkel, Rachel H. Grunspan 2019 | 794 Pages | ISBN: 1454926228 | EPUB | 14 MB
The Abacus and the Cross: The Story of the Pope Who Brought the Light of Science to the Dark Ages [Audiobook] by Nancy Marie Brown English | December 07, 2010 | ASIN: B004FHVZ7G | M4B@64 kbps | 11h 13m | 305 MB Narrator: Suzanne Toren