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  2. Chinese mathematics - Wikipedia

    en.wikipedia.org/wiki/Chinese_mathematics

    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 . Since the Han dynasty, as diophantine approximation ...

  3. The Nine Chapters on the Mathematical Art - Wikipedia

    en.wikipedia.org/wiki/The_Nine_Chapters_on_the...

    The Nine Chapters on the Mathematical Art is a Chinese mathematics book, composed by several generations of scholars from the 10th–2nd century BCE, its latest stage being from the 2nd century CE. This book is one of the earliest surviving mathematical texts from China, the first being the Suan shu shu (202 BCE – 186 BCE) and Zhoubi Suanjing ...

  4. Indian mathematics - Wikipedia

    en.wikipedia.org/wiki/Indian_mathematics

    Indian mathematics emerged in the Indian subcontinent [ 1] from 1200 BCE [ 2] until the end of the 18th century. In the classical period of Indian mathematics (400 CE to 1200 CE), important contributions were made by scholars like Aryabhata, Brahmagupta, Bhaskara II, Varāhamihira, and Madhava. The decimal number system in use today [ 3] was ...

  5. Gnomon - Wikipedia

    en.wikipedia.org/wiki/Gnomon

    Gnomon. The gnomon is the triangular blade in this sundial. A gnomon ( / ˈnoʊˌmɒn, - mən /; from Ancient Greek γνώμων (gnṓmōn) 'one that knows or examines') [1] [2] is the part of a sundial that casts a shadow. The term is used for a variety of purposes in mathematics and other fields.

  6. List of Chinese discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Chinese_discoveries

    Iron plate with an order 6 magic square in Eastern Arabic numerals from China, dating to the Yuan dynasty (1271–1368). Li Shanlan identity: discovered by the mathematician Li Shanlan in 1867. [29] Liu Hui's π algorithm: Liu Hui's π algorithm was invented by Liu Hui (fl. 3rd century), a mathematician of Wei Kingdom.

  7. Ancient Egyptian technology - Wikipedia

    en.wikipedia.org/wiki/Ancient_Egyptian_technology

    Greek technology. Roman technology. Iranian technology. Ancient Egyptian technology describes devices and technologies invented or used in Ancient Egypt. The Egyptians invented and used many simple machines, such as the ramp and the lever, to aid construction processes. They used rope trusses to stiffen the beam of ships.