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Abacus | Definition, History, Origin, & Facts | Britannica
https://www.britannica.com/technology/abacus-calculating-device
WEBAbacus, calculating device, probably of Babylonian origin, that was long important in commerce. It is the ancestor of the modern calculating machine and computer. The abacus was in universal use in Europe in the Middle Ages, as well as in the Arab world …
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Abacus Explained — Everything You Need To Know - History Tools
https://www.historytools.org/inventions/abacus
WEBNovember 8, 2023. The abacus is one of the oldest calculating devices, used by ancient civilizations globally. This comprehensive guide will explain what an abacus is, how it …
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Abacus - Wikipedia
https://en.wikipedia.org/wiki/Abacus
OverviewEtymologyHistorySchool abacusFeynman vs the abacusNeurological analysisBinary abacusVisually impaired usersAn abacus (pl.: abaci or abacuses), also called a counting frame, is a hand-operated calculating tool which was used from ancient times in the ancient Near East, Europe, China, and Russia, until the adoption of the Hindu-Arabic numeral system. An abacus consists of a two-dimensional array of slidable beads (or similar objects). In their earliest designs, the beads could be loose on a flat surface or sliding in grooves. Later the beads were made to slide on rods and built into a frame, … Literal meaning: "calculating tray" Traditional Chinese: 算盤 Simplified Chinese: 算盘
Literal meaning: "calculating tray"
Traditional Chinese: 算盤
Simplified Chinese: 算盘
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Abacus | Definition, Types & History - Lesson
https://study.com/learn/lesson/abacus-invention-history-architecture.html
WEBUpdated: 11/21/2023. Table of Contents. What is an Abacus? The Meaning of the Word Abacus. The History of the Abacus. Types of Abacus. The Definition of Abacus in Architecture. Lesson...
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Abacus | Encyclopedia.com
https://www.encyclopedia.com/science-and-technology/mathematics/mathematics/abacus
WEBJun 27, 2018 · There is evidence that people were using abacuses in ancient Rome (753 b.c.e. – 476 c.e.). A few hand abacuses from this time have been found. They are very …
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Abacus - New World Encyclopedia
https://www.newworldencyclopedia.org/entry/Abacus
WEBThe use of the word abacus dates from before 1387, when a Middle English work borrowed the word from Latin to describe a sandboard abacus. The Latin word came from abakos, the Greek genitive form of abax …
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