翻訳と辞書 Words near each other ・ Johann Strauss Orchestra ・ Johann Strnad ・ Johann Stumpf ・ Johann Stumpf (engineer) ・ Johann Stumpf (writer) ・ Johann Sturm ・ Johann Stössel ・ Johann Sudholz ・ Johann Summer ・ Johann Sylvan ・ Johann Sziklai ・ Johann Pucher ・ Johann Pálffy Palace ・ Johann Radon ・ Johann Rafelski ・ Johann Rahn ・ Johann Raithel ・ Johann Rall ・ Johann Ramaré ・ Johann Rattenhuber ・ Johann Reichhart ・ Johann Reinhard I, Count of Hanau-Lichtenberg ・ Johann Reinhard II, Count of Hanau-Lichtenberg ・ Johann Reinhard III, Count of Hanau-Lichtenberg ・ Johann Reinhold Forster ・ Johann Reuchlin ・ Johann Riederer ・ Johann Riegler ・ Johann Rietsch ・ Johann Rihosek 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 Johann Rahn ： ウィキペディア英語版 Johann Rahn Johann Rahn〔The dictionary of biographical reference By Lawrence Barnett Phillips. pg (775 )〕 (Latinised form Rhonius) (1622–1676) was a ( * 10 March 1622 Töss (Winterthur), † 25 May 1676 in Zurich) Swiss mathematician who is credited with the first use of the division symbol, ÷ (obelus)〔Such as on pg 16; Teutsche Algebra. (Pg 16 )〕 and the therefore sign, ∴.〔Such as on pg 53; Teutsche Algebra. (Pg 53 )〕 He is known for his Teutsche algebra, the first time the Geteiltzeichen characters appear in print. The symbol is used in ''Teutsche Algebra'', published in 1659. John Pell collaborated with Rahn in this book, which contains an example of the Pell equation, Pell-loading of the English translation of the book of Rahn. There is a controversy in Pell awards, rather than Rahn, authorship notations. Rahn was also, it seems, mayor of the city of Zurich in 1655. ==Books== * (Teutsche Algebra ) - Johann H. Rahn 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「Johann Rahn」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.