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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Jeton ： ウィキペディア英語版 Jeton Jetons were token or coin-like medals produced across Europe from the 13th through the 17th centuries. They were produced as counters for use in calculation on a lined board similar to an abacus. They also found use as a money substitute in games, similar to modern casino chips or poker chips. Thousands of different jetons exist, mostly of religious and educational designs, as well as portraits, these most resembling coinage. (The spelling "jeton" is from the French; the English spell it "jetton".) ==Roman calculi== The Romans had similarly used pebbles, in Latin "calculi" - little stones. Addition is straight forward, and relatively efficient algorithms for multiplication and division were known. 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「Jeton」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.