Ludolph's constant
(mathematics, chiefly historical) Synonym of pi
plural of Presson
A city and village in North Dakota.
That restores or stimulates health. / Of or relating to analepsis (a form of flashback).
17世紀のいくつかの写本では、円周率が直径から円周を求めるために用いられる値として記述されていました。
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