关于《算法统宗》的传日及其影响

On the Spread of the Chinese Work Suanfa Tongzong in Japan and Its Influence on Wasan

文章全面论述了《算法统宗》传入日本的经过，分析了此书在日本的流播对和算发展所起的重要作用。对于《算法统宗》最初在日本的流传，提出了新的看法，认为在日本最早研究和传授《算法统宗》的人是吉田宗恂，而《尘劫记》的作者吉田光由是师从宗恂父子开始学习此书的。此外，对《尘劫记》和《算法统宗》的内容作了系统的比较，进一步揭示了二者之间的密切联系。

The course of introduction of the Suanfa Tongzong(Systematic Treatise on Arithmetic) into Japan is systematically treated with a discussion of the important role of the work on the development of Wasan. It is pointed out that the first Japanese mathematician who studied and taught the Suanfa Tongzong was Junso Yoshida. and the author of the Jinko-hi studied the work from Junso Yoshida and his son as a pupil of them. The Jinko-ki are subjected to comprehensive comparison and the close relation between the two works is revealed further.