A brief Chinese number history
1.Ancient Chinese count by knotting |
2.Numerals on oracle (Inscriptions on bones or tortoise ) of Shang Danasty B.C. 14 centuries |
3.Numerals on oracle (Inscriptions on bones or tortoise ) of Shang Dynasty in B.C. 14 centuries is same as that we currently use |
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4. Ancient Chinese counting rod numerals used for 2 thousand years. |
5. Ancient mathematician Zhu congzi (祖沖之) (429-500) and his son used counting rod. |
6.The counting rod of Han dynasty unearthed from san xi B. C. 1 century |
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7.The one-to-one relationship between Ancient counting rod numerals and modern Arabic- numerals |
8.Computation classic book by Sun zi (Sun zi Suanjing ) A.D. 5 centuries |
9.Chinese abacus |
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10.Ancient mathematician Jia xian (賈憲,on 11th century) of song dynasty used ten-thousands, thousands, hundreds, tens, ones (bu),to express place value by counting rod |
11.Abacus in computation classic book by Ceng dawei of Ming Dynasty《算法統宗》(in 1592)in 15th century |
12. Counting rod and numerals and abacus numberals |