…Yamaji did not have any major achievements in mathematics, but he is famous for his research on repeating decimals. In “Ichi San Toku Shojutsu,” he describes a method for determining the number of digits in a repeating node when the reciprocal of an integer, 1/ n , is converted to a decimal. He also left behind research on the relationship between the sides and diagonals of polygons and squares. … *Some of the terminology explanations that refer to "Ichi San Toku Shojutsu" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…山路には数学の大きな業績はないが,循環小数の研究は名高い。《一算得商術》の中で,整数の逆数1/nを小数になおしたとき,その循環節の桁数を決定する方法を述べている。多角形の辺と対角線の関係式や方陣の研究なども残している。… ※「《一算得商術》」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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