[過去ﾛｸﾞ] ガロア第一論文と乗数イデアル他関連資料スレ13 (1002ﾚｽ)
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721(1): 現代数学の系譜 雑談 ◆yH25M02vWFhP 02/11(火)19:45 ID:zr+dFWV7(12/15) AAS
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外部ﾘﾝｸ:en.wikipedia.org
Pi
The number π (/paɪ/ ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.
Irrationality and normality
π is an irrational number, meaning that it cannot be written as the ratio of two integers. Fractions such as
22/7 and 355/113
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