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Zu Chongzhi

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Zu Chongzhi (429–500 AD), courtesy name Wenyuan, was a Chinese mathematician, astronomer, writer and politician during the Liu Song and Southern Qi dynasties. [1]

52 relations: Adriaan Anthonisz, Approximations of π, Archimedes, Asteroid, Baoding, Book of Qi, Book of Song, Car, Compass, Continued fraction, Counting rods, Courtesy name, Differential (mechanical device), Eclipse, Emperor Wu of Liu Song, Emperor Xiaowu of Liu Song, Encyclopedia of China, Guanzhong, History of the Southern Dynasties, Jiankang, Jin dynasty (265–420), Jupiter, Li Dashi, List of minor planets: 1001–2000, Liu Hui, Liu Hui's π algorithm, Liu Song dynasty, Ma Jun, Magnetism, Milü, Moon, Netherlands, Paradoxography, Pi, Proof that 22/7 exceeds π, Sidereal year, Song dynasty, South-pointing chariot, Southern Qi, Sphere, Sun, Three Kingdoms, Tropical year, Tsu Chung-Chi (crater), Xiao Zixian, Yangtze, Yi Xing, Yoshio Mikami, Zhenjiang, Zu (surname), ..., Zu Gengzhi, Zuc stream cipher. Expand index (2 more) »

Adriaan Anthonisz

Adriaan Anthonisz (also known as Adriaen Anthonisz of Alcmaer) (1527–1607) was a Dutch mathematician, surveyor, cartographer, and military engineer who specialized in the design of fortifications.

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Approximations of π

Approximations for the mathematical constant pi in the history of mathematics reached an accuracy within 0.04% of the true value before the beginning of the Common Era (Archimedes).

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Archimedes

Archimedes of Syracuse (Ἀρχιμήδης) was a Greek mathematician, physicist, engineer, inventor, and astronomer.

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Asteroid

Asteroids are minor planets, especially those of the inner Solar System.

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Baoding

Baoding is a prefecture-level city in central Hebei province, approximately southwest of Beijing.

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Book of Qi

The Book of Qi (Qí Shū) or Book of Southern Qi (Nán Qí Shū) is a history of the Chinese dynasty Southern Qi covering the period from 479 to 502, and is one of the Twenty-Four Histories of Chinese history.

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Book of Song

The Book of Song (Sòng Shū) is a historical text of the Liu Song Dynasty of the Southern Dynasties of China.

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Car

A car (or automobile) is a wheeled motor vehicle used for transportation.

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Compass

A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions (or points).

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Continued fraction

In mathematics, a continued fraction is an expression obtained through an iterative process of representing a number as the sum of its integer part and the reciprocal of another number, then writing this other number as the sum of its integer part and another reciprocal, and so on.

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Counting rods

Counting rods are small bars, typically 3–14 cm long, that were used by mathematicians for calculation in ancient East Asia.

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Courtesy name

A courtesy name (zi), also known as a style name, is a name bestowed upon one at adulthood in addition to one's given name.

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Differential (mechanical device)

A differential is a gear train with three shafts that has the property that the rotational speed of one shaft is the average of the speeds of the others, or a fixed multiple of that average.

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Eclipse

An eclipse is an astronomical event that occurs when an astronomical object is temporarily obscured, either by passing into the shadow of another body or by having another body pass between it and the viewer.

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Emperor Wu of Liu Song

Emperor Wu of (Liu) Song ((劉)宋武帝; 363–422), personal name Liu Yu (劉裕), courtesy name Dexing (德興), nickname Jinu (寄奴), was the founding emperor of the Chinese dynasty Liu Song.

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Emperor Xiaowu of Liu Song

Emperor Xiaowu of Liu Song (劉宋孝武帝) (19 September 430 – 12 July 464), personal name Liu Jun (劉駿), courtesy name Xiulong (休龍), nickname Daomin (道民), was an emperor of the Chinese dynasty Liu Song.

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Encyclopedia of China

The Encyclopedia of China is the first large-entry modern encyclopedia in the Chinese language.

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Guanzhong

Guanzhong (formerly romanised as Kwanchung), or Guanzhong Plain, is a historical region of China corresponding to the lower valley of the Wei River.

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History of the Southern Dynasties

The History of the Southern Dynasties (Nánshǐ) is one of the official Chinese historical works in the Twenty-Four Histories canon.

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Jiankang

Jiankang, or Jianye, as it was originally called, was the capital city of the Eastern Wu (229–265 and 266–280 CE), the Jin dynasty (317–420 CE) and the Southern Dynasties (420–552 and 557–589 CE).

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Jin dynasty (265–420)

The Jin dynasty or the Jin Empire (sometimes distinguished as the or) was a Chinese dynasty traditionally dated from 266 to 420.

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Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar System.

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Li Dashi

Li Dashi (570–628), born in Anyang, Henan, was a Chinese historian, and an officer during the Sui and Tang dynasties.

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List of minor planets: 1001–2000

No description.

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Liu Hui

Liu Hui was a Chinese mathematician who lived in the state of Cao Wei during the Three Kingdoms period (220–280) of China.

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Liu Hui's π algorithm

Liu Hui's algorithm was invented by Liu Hui (fl. 3rd century), a mathematician of the Cao Wei Kingdom.

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Liu Song dynasty

The Song dynasty, better known as the Liu Song dynasty (420–479 CE;; Wade-Giles: Liu Sung), also known as Former Song (前宋) or Southern Song (南宋), was the first of the four Southern Dynasties in China, succeeding the Eastern Jin and followed by the Southern Qi.

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Ma Jun

Ma Jun (220–265), courtesy name Deheng, was a Chinese mechanical engineer and politician who lived in the state of Cao Wei during the Three Kingdoms period of China.

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Magnetism

Magnetism is a class of physical phenomena that are mediated by magnetic fields.

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Milü

The name Milü ("close ratio"), also known as Zulü (Zu's ratio), is given to an approximation to pi (pi) found by Chinese mathematician and astronomer, Zǔ Chōngzhī (祖沖之).

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Moon

The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.

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Netherlands

The Netherlands (Nederland), often referred to as Holland, is a country located mostly in Western Europe with a population of seventeen million.

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Paradoxography

Paradoxography is a genre of Classical literature which deals with the occurrence of abnormal or inexplicable phenomena of the natural or human worlds.

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Pi

The number is a mathematical constant.

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Proof that 22/7 exceeds π

Proofs of the famous mathematical result that the rational number is greater than pi (pi) date back to antiquity.

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Sidereal year

A sidereal year (from Latin sidus "asterism, star") is the time taken by the Earth to orbit the Sun once with respect to the fixed stars.

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Song dynasty

The Song dynasty (960–1279) was an era of Chinese history that began in 960 and continued until 1279.

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South-pointing chariot

The south-pointing chariot (or carriage) was an ancient Chinese two-wheeled vehicle that carried a movable pointer to indicate the south, no matter how the chariot turned.

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Southern Qi

The Southern Qi (479-502) was the second of the Southern dynasties in China, followed by the Liang Dynasty.

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Sphere

A sphere (from Greek σφαῖρα — sphaira, "globe, ball") is a perfectly round geometrical object in three-dimensional space that is the surface of a completely round ball (viz., analogous to the circular objects in two dimensions, where a "circle" circumscribes its "disk").

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Sun

The Sun is the star at the center of the Solar System.

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Three Kingdoms

The Three Kingdoms (220–280) was the tripartite division of China between the states of Wei (魏), Shu (蜀), and Wu (吳).

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Tropical year

A tropical year (also known as a solar year) is the time that the Sun takes to return to the same position in the cycle of seasons, as seen from Earth; for example, the time from vernal equinox to vernal equinox, or from summer solstice to summer solstice.

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Tsu Chung-Chi (crater)

Tsu Chung-Chi is a relatively small lunar impact crater on the Moon's far side.

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Xiao Zixian

Xiao Zixian (489–537), courtesy name Jingyang (景陽), formally Viscount Jiao of Ningdu (寧都驕子), was a historian and author, best known for producing the Book of Qi.

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Yangtze

The Yangtze, which is 6,380 km (3,964 miles) long, is the longest river in Asia and the third-longest in the world.

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Yi Xing

Yi Xing (683–727), born Zhang Sui, was a Chinese astronomer, mathematician, mechanical engineer and Buddhist monk of the Tang dynasty (618–907).

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Yoshio Mikami

was a Japanese mathematician and wasan historian.

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Zhenjiang

Zhenjiang, formerly romanized as Chenkiang, is a prefecture-level city in Jiangsu Province, China.

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Zu (surname)

Zu is the Mandarin pinyin romanization of the Chinese surname written in Chinese character.

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Zu Gengzhi

Zu Gengzhi (born ca. 450, died ca. 520) was a Chinese mathematician.

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Zuc stream cipher

ZUC is a new stream cipher included in the Long Term Evolution standards starting in Release 11 for mobile devices.

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Redirects here:

Ch'ung Chi Tsu, Chi Tsu Ch'ung, Tsu Ch'ung Chi, Tsu Ch'ung-Chih, Tsu Ch'ung-chih, Tsu Chung-Chih, Zhu Chongzhi, Zhui shu, , 祖文遠, 祖沖之.

References

[1] https://en.wikipedia.org/wiki/Zu_Chongzhi

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