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  2. English alphabet - Wikipedia

    en.wikipedia.org/wiki/English_alphabet

    Modern English is written with a Latin-script alphabet consisting of 26 letters, with each having both uppercase and lowercase forms. The word alphabet is a compound of alpha and beta, the names of the first two letters in the Greek alphabet. Old English was first written down using the Latin alphabet during the 7th century.

  3. Google Scholar - Wikipedia

    en.wikipedia.org/wiki/Google_Scholar

    Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...

  4. List of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/List_of_trigonometric...

    de Moivre. Euler. Fourier. v. t. e. In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles.

  5. Z-Library - Wikipedia

    en.wikipedia.org/wiki/Z-Library

    Z-Library (abbreviated as z-lib, formerly BookFinder) is a shadow library project for file-sharing access to scholarly journal articles, academic texts and general-interest books. It began as a mirror of Library Genesis, but has since expanded dramatically. [6] [7]

  6. Hungarian alphabet - Wikipedia

    en.wikipedia.org/wiki/Hungarian_alphabet

    The Hungarian alphabet ( Hungarian: magyar ábécé) is an extension of the Latin alphabet used for writing the Hungarian language . The alphabet is based on the Latin alphabet, with several added variations of letters, consisting 44 letters. Over the 26 letters of the ISO basic Latin alphabet it has five letters with an acute accent, two ...

  7. Cauchy–Schwarz inequality - Wikipedia

    en.wikipedia.org/wiki/Cauchy–Schwarz_inequality

    The real vector space denotes the 2-dimensional plane. It is also the 2-dimensional Euclidean space where the inner product is the dot product . If u = ( u 1 , u 2 ) {\displaystyle \mathbf {u} =\left(u_{1},u_{2}\right)} and v = ( v 1 , v 2 ) {\displaystyle \mathbf {v} =\left(v_{1},v_{2}\right)} then the Cauchy–Schwarz inequality becomes:

  8. Ü - Wikipedia

    en.wikipedia.org/wiki/Ü

    Ü (lowercase ü) is a Latin script character composed of the letter U and the diaeresis diacritical mark. In some alphabets such as those of a number of Romance languages or Guarani it denotes an instance of regular U to be construed in isolation from adjacent characters with which it would usually form a larger unit; other alphabets like the Azerbaijani, Estonian, German, Hungarian and ...

  9. Linear algebra - Wikipedia

    en.wikipedia.org/wiki/Linear_algebra

    The blue line is the common solution to two of these equations. Linear algebra is the branch of mathematics concerning linear equations such as: linear maps such as: and their representations in vector spaces and through matrices. [1] [2] [3] Linear algebra is central to almost all areas of mathematics.