Valentinus Otho, also Valentin Otto, was a German mathematician and astronomer, born around 1545 or 1546 possibly in Magdeburg, who died in Heidelberg on 8 April 1603. In 1573 he came to Wittenberg and proposed to Johannes Praetorius an approximation of pi as 355 over 113, now known as milü after its first discoverer, the Chinese mathematician Zu Chongzhi. In 1575 he supported Georg Joachim Rheticus in his trigonometric tables, and the next year they went to Kaschau in Hungary, where Rheticus died, so that Otho inherited the manuscript of Copernicus's De revolutionibus that Rheticus had published in 1543. He became professor of mathematics at Wittenberg, and when the rulers of Saxony did not support the tables he moved to Heidelberg, where Elector Friedrich IV sponsored his Opus Palatinum de Triangulis of 1596.
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Otho (also Valentin Otto; born around 1545–46 possibly in Magdeburg – 8 April 1603 in Heidelberg) was a German mathematician and astronomer. == Life == In 1573 he came to Wittenberg, proposing to Johannes Praetorius an approximation of pi as π≈355113
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Otho (also Valentin Otto; born around 1545-46 possibly in Magdeburg, 8 April 1603 in Heidelberg) was a German mathematician and astronomer. == Life == In 1573 he came to Wittenberg, proposing to Johannes Praetorius an approximation of pi as π≈355113
Biography, birth
Otho (also Valentin Otto; born around 1545-46 possibly in Magdeburg, 8 April 1603 in Heidelberg) was a German mathematician and astronomer. == Life == In 1573 he came to Wittenberg, proposing to Johannes Praetorius an approximation of pi as
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in Magdeburg, 8 April 1603 in Heidelberg) was a German mathematician and astronomer. == Life == In 1573 he came to Wittenberg, proposing to Johannes Praetorius an approximation of pi as π≈355113 (now known as milü, as named by its first discover, the
In Branch: Trigonometry, Lead, field of work
(also Valentin Otto; born around 1545-46 possibly in Magdeburg, 8 April 1603 in Heidelberg) was a German mathematician and astronomer. == Life == In 1573 he came to Wittenberg, proposing to Johannes Praetorius an approximation of pi as π≈355113 (now
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