Computer Timeline, A

Description of Resource:

600's bc? The abacus is developed in China. It was later adopted by the Japanese and the Russians. 600's ad? Arabic numbers -- including the zero (represented by a dot) -- were invented in India. Arabic translations of Indian math texts brought these numbers to the attention of the Europeans. Arabic numbers entered Europe by means of Spain around 1000 ad and first became popular among Italian merchants around 1300. Until then, people used the Roman system in western Europe, and the Greek system in the east. The original numbers were similar to the modern Devanagari numbers used in northern India:

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United States

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http://webspace.ship.edu/cgboer/computertimeline.html

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Research

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Public

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