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Mathematics emerged independently in China by the 11th century BCE. [1] The Chinese independently developed a real number system that includes significantly large and negative numbers, more than one numeral system (binary and decimal), algebra, geometry, number theory and trigonometry.
Chinese remainder theorem: The Chinese remainder theorem, including simultaneous congruences in number theory, was first created in the 3rd century AD in the mathematical book Sunzi Suanjing posed the problem: "There is an unknown number of things, when divided by 3 it leaves 2, when divided by 5 it leaves 3, and when divided by 7 it leaves a ...
[1] [2] Zhu used a method of elimination to reduce the simultaneous equations to a single equation with only one unknown. [3] His method is described in the Jade Mirror of the Four Unknowns, written in 1303. The opening pages contain a diagram of Pascal's triangle. The summation of a finite arithmetic series is also covered in the book. [4]
This sub-section is about paper making; for the writing material first used in ancient Egypt, see papyrus.. Paper: Although it is recorded that the Han dynasty (202 BC – AD 220) court eunuch Cai Lun (50 AD – AD 121) invented the pulp papermaking process and established the use of new materials used in making paper, ancient padding and wrapping paper artifacts dating from the 2nd century BC ...
BSc meteorologist Janice Davila tells Bored Panda that one of the most unknown facts from her field of expertise is that weather radars are slightly tilted upward in a half-degree (1/2°) angle.
China is a nuclear-weapon state with the world's largest standing army by military personnel and the second-largest defense budget. It is a great power, and has been described as an emerging superpower. China is known for its cuisine and culture, and has 59 UNESCO World Heritage Sites, the second-highest number of any country.
In his political discourse, Xi Jinping often cites the four great inventions as a source of national pride for China and its historic contributions to humanity. [39]: 32–33 In 2017, the term "four great new inventions" became popularized in China in reference to high-speed rail, mobile payment, e-commerce, and bike-sharing.
In March 1986, China launched a large-scale technology development plan, the 863 Project. [107]: 88 As the People's Republic of China becomes better connected to the global economy, the government has placed more emphasis on science and technology. This has led to increases in funding, improved scientific structure, and more money for research.