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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 Valentinus Otho ： ウィキペディア英語版 Valentinus Otho Valentinus Otho or ''Valentin Otto'' (born around 1550 possibly in Magdeburg – April 8, 1603 in Prag) was a German mathematician and astronomer. == Life == In 1573 he came to Wittenberg, proposing to Johannes Praetorius an approximation of Pi as $\backslash pi\; \backslash approx\; \backslash tfrac$. In 1575 he supported Georg Joachim Rheticus in his trigonometric tables. The next year they went to Kaschau in Hungary where Rheticus died. Thus, Otho inherited the De revolutionibus manuscript of Nicolaus Copernicus that Rheticus had published in 1543 in Nuremberg. Otho became Professor for astronomy in Wittenberg, but when the rulers of Saxony did not support the tables, he moved to Heidelberg where Elector Friedrich IV sponsored the '’Opus Palatinum de Triangulis’’ in 1596. 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「Valentinus Otho」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.