Archimedes' number - the number of steps

Japanese: アルキメデスの数 - あるきめですのすう
Archimedes' number - the number of steps

…The value of this ratio is called pi, and is abbreviated as π, the abbreviation of the Greek word perimetros, which means circumference. In Western languages, there is no term that corresponds to pi, and it is simply called the number π, or Archimedes' number (in Germany, π is often called Rudolph's number). π is an irrational number, and its first 50 decimal places are 3.14159265358979323846264338327950288419716939937510, but for practical calculations, 3.14 will suffice, and even for more precise calculations, 3.1416 will suffice. …

*Some of the terminology explanations that mention "Archimedes' number" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この比の値を円周率といい,周を意味するギリシア語perimetrosの頭文字をとってπで表す。西欧語には円周率に相応する術語はなく,それは単に数πとか,あるいはアルキメデスの数と呼ばれている(ドイツではしばしばπをルドルフの数と呼ぶ)。 πは無理数で,その第50位までの小数は3.14159265358979323846264338327950288419716939937510であるが,実用的計算では3.14,少し精密な計算でも3.1416でまにあう。…

※「アルキメデスの数」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

<<:  Archimedes' Spiral - Archimedes' spiral

>>:  Archimedes' axioms

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