Shanks, W.

Japanese: Shanks,W.(英語表記)ShanksW
Shanks, W.

…Furthermore, there is a continued fraction, . The approximation of π was long recorded in 1873 when W. Shanks calculated it to 707 decimal places, but in 1946 it was discovered that there was an error in the 528th decimal place. Japanese mathematicians in the 17th and 18th centuries also calculated the value of π to 50 decimal places. …

*Some of the terminology that mentions "Shanks, W." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…さらに,連分数で表すものに,がある。πの近似値としては1873年にシャンクスW.Shanksが小数点以下第707位まで算出したのがながく記録とされていたが,その値の小数点以下第528位に誤りがあることが1946年に発見された。17~18世紀の和算家たちもπの値を第50位まで計算していた。…

※「Shanks,W.」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

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