Math Archives - Ninchanese https://ninchanese.com/blog/tag/math/ Learn Chinese with an adorable and effective method Fri, 08 Jan 2016 10:39:57 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.2 https://ninchanese.com/wp-content/uploads/2015/12/cropped-funandgamified-2-32x32.png Math Archives - Ninchanese https://ninchanese.com/blog/tag/math/ 32 32 Liu Hui – 3.14 is Pi Day, of course! https://ninchanese.com/blog/2013/03/14/liu-hui-today-is-pi-day-pi/ Thu, 14 Mar 2013 13:07:00 +0000 http://ec2-54-193-109-251.us-west-1.compute.amazonaws.com/?p=618 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

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]]> 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.

liu hui pi

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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