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  2. Algebra - Wikipedia

    en.wikipedia.org/wiki/Algebra

    Algebra is the branch of mathematics that studies certain abstract systems, known as algebraic structures, and the manipulation of expressions within those systems. It is a generalization of arithmetic that introduces variables and algebraic operations other than the standard arithmetic operations, such as addition and multiplication.

  3. Science - Wikipedia

    en.wikipedia.org/wiki/Science

    Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. [1] [2] Modern science is typically divided into two or three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the social sciences (e.g., economics, psychology, and sociology), which ...

  4. List of Chinese inventions - Wikipedia

    en.wikipedia.org/wiki/List_of_Chinese_inventions

    However, the earliest known book printed at regular size is the Diamond Sutra, made during the Tang dynasty (618–907), a 5.18 m (17.0 ft) long scroll, which bears the date AD 868. [16] Joseph Needham and Tsien Tsuen-hsuin write that the cutting and printing techniques used for the delicate calligraphy of the Diamond Sutra book are much more ...

  5. Gottfried Wilhelm Leibniz - Wikipedia

    en.wikipedia.org/wiki/Gottfried_Wilhelm_Leibniz

    Gottfried Wilhelm Leibniz (or Leibnitz; [a] 1 July 1646 [O.S. 21 June] – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat who is credited, alongside Sir Isaac Newton, with the creation of calculus in addition to many other branches of mathematics, such as binary arithmetic and statistics.

  6. Arabs - Wikipedia

    en.wikipedia.org/wiki/Arabs

    Additionally, the Arabs made original innovations in various fields, including the arts, agriculture, alchemy, music, and pottery, and traditional star names such as Aldebaran, scientific terms like alchemy (whence also chemistry), algebra, algorithm, etc. and names of commodities such as sugar, camphor, cotton, coffee, etc. [239] [240] [241] [242]