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  2. 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 ...

  3. Algorithm - Wikipedia

    en.wikipedia.org/wiki/Algorithm

    Flowchart of using successive subtractions to find the greatest common divisor of number r and s. In mathematics and computer science, an algorithm (/ ˈ æ l ɡ ə r ɪ ð əm / ⓘ) is a finite sequence of mathematically rigorous instructions, typically used to solve a class of specific problems or to perform a computation. [1]

  4. Expression (mathematics) - Wikipedia

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

    In mathematics, an expression is a written arrangement of symbols following the context-dependent, syntactic conventions of mathematical notation. Symbols can denote numbers, variables, operations, and functions. [1] Other symbols include punctuation marks and brackets, used for grouping where there is not a well-defined order of operations.

  5. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    With the exceptions of 1, 8 and 144 (F 1 = F 2, F 6 and F 12) every Fibonacci number has a prime factor that is not a factor of any smaller Fibonacci number (Carmichael's theorem). [56] As a result, 8 and 144 (F 6 and F 12) are the only Fibonacci numbers that are the product of other Fibonacci numbers. [57]

  6. Lie algebra extension - Wikipedia

    en.wikipedia.org/wiki/Lie_algebra_extension

    2-cocycles from 1-cochains Some 2-cocycles can be obtained from 1-cochains. A 1-cochain on g is simply a linear map, : The set of all such maps is denoted C 1 (g, F) and, of course (in at least the finite-dimensional case) C 1 (g, F) ≅ g*. Using a 1-cochain f, a 2-cocycle δf may be defined by

  7. e (mathematical constant) - Wikipedia

    en.wikipedia.org/wiki/E_(mathematical_constant)

    The number e is a mathematical constant approximately equal to 2.71828 that is the base of the natural logarithm and exponential function.It is sometimes called Euler's number, after the Swiss mathematician Leonhard Euler, though this can invite confusion with Euler numbers, or with Euler's constant, a different constant typically denoted .

  8. Education in the United States - Wikipedia

    en.wikipedia.org/wiki/Education_in_the_United_States

    This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Education in the United States of America National education budget (2023-24) Budget $222.1 billion (0.8% of GDP) Per student More than $11,000 (2005) General details Primary languages English System type Federal, state, local, private Literacy (2017 est.) Total 99% Male 99% Female 99% ...

  9. Islam - Wikipedia

    en.wikipedia.org/wiki/Islam

    In Arabic, Islam (Arabic: إسلام, lit. 'submission [to God]') [11] [12] [13] is the verbal noun of Form IV originating from the verb سلم (salama), from the triliteral root س-ل-م (), which forms a large class of words mostly relating to concepts of submission, safeness, and peace. [14]