杨辉,中国南宋时期杰出的数学家和数学教育家。在13世纪中叶,杨辉活动于苏杭一带,其著作甚多。在《详解九章算法》中的“开方作法本源”载有二项式系数的三角形图表,后人称此为“杨辉三角”。杨辉所著的数学书共五种二十一卷,即《详解九章算法》十二卷(1261年),《日用算法》二 Yang Hui, an outstanding mathematician and math educator in Southern Song Dynasty in China. In the mid-13th century, Yang Hui was active in the Suzhou-Hangzhou area with many books. In the “Detailed nine chapters algorithm” in the “origin of the book,” contains the triangle diagram of the binomial coefficient, later known as “Yang Hui Triangle.” Yang Hui’s math books are a total of five kinds of twenty-one volumes, namely “detailed nine chapters algorithm” twelve volumes (1261), “daily” two