Abacus History and Use
Date Submitted: 11/20/2003 17:09:46
<Tab/><Tab/>The abacus, often called the earliest calculating machine in the world, has a long history. The earliest mention of the abacus can be dated back to the Eastern Han Dynasty, where it was mentioned in a book by Xu Yue in about 190 A.D, There was a time when numbers were not written. As larger numbers become needed past the amount on a human hand,
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provided that we put in the right information. While working with an Abacus you can't help but think what the inventors of the Abacus and those who used in everyday processes would think of our modern technology. It defiantly would be interesting to go back to the time of the Abacus knowing about the technology of today.
Sources
http://www.ee.ryerson.ca:8080/~elf/abacus/history.html
http://www.chinavista.com/experience/abacus/abacus.html
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