EntityQ722634· pop 17· linked from 46 articlesYasumasa KanadaSign in to saveJapanese mathematicianConnectionschronology of computation of πEntityJapanCountryTokyoCityPiConceptSrinivasa RamanujanEntityAryabhataEntitysupercomputerEntityAssociated PressEntityUniversity of TokyoEntityProject GutenbergEntityPi DayEntityFrançois VièteEntitysquaring the circleEntityLudolph van CeulenEntitycircumferenceEntityZu ChongzhiEntityJamshīd al-KāshīEntityTakakazu SekiEntityBasel problemEntitymethod of exhaustionEntityCategories1949 births2020 deaths20th-century Japanese mathematicians21st-century Japanese mathematiciansAcademic staff of the University of TokyoPeople from Himeji, HyōgoPi-related peopleScientists from Hyōgo PrefectureTohoku University alumni