翻訳と辞書 Words near each other ・ Arithmetic combinatorics ・ Arithmetic derivative ・ Arithmetic dynamics ・ Arithmetic for Parents ・ Arithmetic function ・ Arithmetic genus ・ Arithmetic group ・ Arithmetic hyperbolic 3-manifold ・ Arithmetic IF ・ Arithmetic logic unit ・ Arithmetic mean ・ Arithmetic number ・ Arithmetic of abelian varieties ・ Arithmetic overflow ・ Arithmetic progression ・ Arithmetic rope ・ Arithmetic shift ・ Arithmetic surface ・ Arithmetic topology ・ Arithmetic underflow ・ Arithmetic variety ・ Arithmetic zeta function ・ Arithmetica ・ Arithmetica Universalis ・ Arithmetical hierarchy ・ Arithmetical ring ・ Arithmetical set ・ Arithmetico-geometric sequence ・ Arithmetic–geometric mean ・ Arithmetization of analysis Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Arithmetic rope ： ウィキペディア英語版 Arithmetic rope The arithmetic rope, or knotted rope, was a widely used arithmetic tool in the Middle Ages that could be used to solve many mathematical and geometrical problems. An arithmetic rope generally has at least 13 knots—therefore, it is often called thirteen-knot-rope—placed at equal intervals. More knots were beneficial, especially for multiplication and division. In medieval architecture, the knotted rope was indispensable for architects, because it allowed the construction of equilateral and right-angled triangles, as well as circles. In the depiction of the liberal arts in Hortus deliciarum, the allegory of arithmetics is a female figure with a knotted rope. ==Arithmetic functions== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Arithmetic rope」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.