Ninchanese
Liu Hui was the first Chinese mathematician to provide a rigorous algorithm for calculation of π to any accuracy. Liu Hui’s own calculation with a 96-gon provided an accuracy of five digits: π ≈ 3.1416.
Liu Hui’s π algorithm was invented by Liu Hui (fl. 3rd century), a mathematician of Wei Kingdom.
今天 是 圆周率日! Today is Pi Day! Happy Pi Day everyone!
Character breakdown:
Pi = 圆周率 (Yuánzhōulǜ)
Day= 日 (rì)
Pi day= 圆周率日 (Yuánzhōulǜ rì)
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