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  2. History of mathematical notation - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematical...

    The history of mathematical notation[1] includes the commencement, progress, and cultural diffusion of mathematical symbols and the conflict of the methods of notation confronted in a notation's move to popularity or inconspicuousness. Mathematical notation [2] comprises the symbols used to write mathematical equations and formulas.

  3. Matrix (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Matrix_(mathematics)

    Matrix (mathematics) An m × n matrix: the m rows are horizontal and the n columns are vertical. Each element of a matrix is often denoted by a variable with two subscripts. For example, a2,1 represents the element at the second row and first column of the matrix. In mathematics, a matrix (pl.: matrices) is a rectangular array or table of ...

  4. History of mathematics - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematics

    e. The history of mathematics deals with the origin of discoveries in mathematics and the mathematical methods and notation of the past. Before the modern age and the worldwide spread of knowledge, written examples of new mathematical developments have come to light only in a few locales. From 3000 BC the Mesopotamian states of Sumer, Akkad and ...

  5. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself. There are many areas of mathematics, which include number theory (the study of numbers), algebra (the study of formulas and related structures), geometry (the study ...

  6. Converse relation - Wikipedia

    en.wikipedia.org/wiki/Converse_relation

    Reversal of the order of elements of a binary relation. In mathematics, the converse of a binary relation is the relation that occurs when the order of the elements is switched in the relation. For example, the converse of the relation 'child of' is the relation 'parent of'. In formal terms, if and are sets and is a relation from to then is the ...

  7. Online Etymology Dictionary - Wikipedia

    en.wikipedia.org/wiki/Online_Etymology_Dictionary

    Online Etymology Dictionary. The Online Etymology Dictionary or Etymonline, sometimes abbreviated as OED (not to be confused with the Oxford English Dictionary, which the site often cites), is a free online dictionary that describes the origins of English words, written and compiled by Douglas R. Harper. [1]

  8. The Oxford Dictionary of English Etymology - Wikipedia

    en.wikipedia.org/wiki/The_Oxford_Dictionary_of...

    The Oxford Dictionary of English Etymology is an etymological dictionary of the English language, published by Oxford University Press.The first editor of the dictionary was Charles Talbut Onions, who spent his last twenty years largely devoted to completing the first edition, published in 1966, which treated over 38,000 words and went to press just before his death.

  9. List of Greek and Latin roots in English - Wikipedia

    en.wikipedia.org/wiki/List_of_Greek_and_Latin...

    The English language uses many Greek and Latin roots, stems, and prefixes. These roots are listed alphabetically on three pages: Greek and Latin roots from A to G. Greek and Latin roots from H to O. Greek and Latin roots from P to Z. Some of those used in medicine and medical technology are listed in the List of medical roots, suffixes and ...