算术书
- 网络Arithmetic Book
算术书-
《算术入门》是第一本完全独立于几何学系统的算术书。
Itis the first arithmetic book which is completely independent of the system of the geometry .
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林肯穷得买不起算术书的时候，就向别人借了一本，抄在普通信纸大小的纸上。
Too poor to buy an arithmetic , Lincoln borrowed one and copied it on sheets of paper about the size of an ordinary letter-head .
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而刘徽的《九章算术注》成书于魏景元四年（263），所以，即使与刘徽的时代相比，印度也要晚400年左右才有分数运算法则。
completed in 263 in the Wei Dynasty ( 220-265 ) ， which means that the algorithm of fractions is at least 400 years earlier than its counterpart in India .