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Roman Ruins at Province
Ancient History, Live Reporting, Medieval History / November 20, 2023 / architecture, medieval, Rome
Fibonacci was an early 13th-century Italian who made Europeans aware that the Arabic number system we use today is much better for doing math than the Roman Numeral system medieval people had been using. Plus he wrote out the Fibonacci numbers, which are shown here in his most important book, _Liber Abaci_ (Book of Calculations).