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  2. Number - Wikipedia

    en.wikipedia.org/wiki/Number

    Set inclusions between the natural numbers (ℕ), the integers (ℤ), the rational numbers (ℚ), the real numbers (ℝ), and the complex numbers (ℂ). A number is a mathematical object used to count, measure, and label.

  3. Integer - Wikipedia

    en.wikipedia.org/wiki/Integer

    The integers arranged on a number line. An integer is the number zero (), a positive natural number (1, 2, 3, . . .), or the negation of a positive natural number ...

  4. Almost integer - Wikipedia

    en.wikipedia.org/wiki/Almost_integer

    Ed Pegg Jr. noted that the length d equals (), which is very close to 7 (7.0000000857 ca.) [1] In recreational mathematics, an almost integer (or near-integer) is any number that is not an integer but is very close to one.

  5. Integer (computer science) - Wikipedia

    en.wikipedia.org/wiki/Integer_(computer_science)

    In computer science, an integer is a datum of integral data type, a data type that represents some range of mathematical integers.Integral data types may be of different sizes and may or may not be allowed to contain negative values.

  6. Section sign - Wikipedia

    en.wikipedia.org/wiki/Section_sign

    The section sign (§) is a typographical character for referencing individually numbered sections of a document; it is frequently used when citing sections of a legal code. [1]

  7. Francis Ford Coppola - Wikipedia

    en.wikipedia.org/wiki/Francis_Ford_Coppola

    Francis Ford Coppola (/ ˈ k oʊ p əl ə / KOH-pə-lə, [1] [2] [3] Italian:; born April 7, 1939) [4] is an American filmmaker. He is considered one of the leading figures of the New Hollywood and one of the greatest directors of all time.

  8. Eisenstein integer - Wikipedia

    en.wikipedia.org/wiki/Eisenstein_integer

    The ring of Eisenstein integers forms a Euclidean domain whose norm N is given by the square modulus, as above: (+) = +.A division algorithm, applied to any dividend α and divisor β ≠ 0, gives a quotient κ and a remainder ρ smaller than the divisor, satisfying:

  9. Johannes Widmann - Wikipedia

    en.wikipedia.org/wiki/Johannes_Widmann

    Johannes Widmann (c. 1460 – after 1498) was a German mathematician.The + and - symbols first appeared in print in his book Mercantile Arithmetic or Behende und hüpsche Rechenung auff allen Kauffmanschafft published in Leipzig in 1489 in reference to surpluses and deficits in business problems.