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  2. Binary number - Wikipedia

    en.wikipedia.org/wiki/Binary_number

    The base-2 numeral system is a positional notation with a radix of 2.Each digit is referred to as a bit, or binary digit.Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used by almost all modern computers and computer-based devices, as a preferred system of use, over various other human techniques of communication, because ...

  3. Intermediate Math League of Eastern Massachusetts - Wikipedia

    en.wikipedia.org/wiki/Intermediate_Math_League...

    Each of the meets follows the following basic format. Each of the teams arrive usually by 3:15, and after snacks, the five individual rounds are held in succession. After that, a fifteen-minute team round is conducted. For all rounds, alternates and regulars are split. Finally, awards are distributed and teams should depart around 5:30.

  4. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    Fractions such as ⁠ 22 / 7 ⁠ and ⁠ 355 / 113 ⁠ are commonly used to approximate π, but no common fraction (ratio of whole numbers) can be its exact value. [21] Because π is irrational, it has an infinite number of digits in its decimal representation , and does not settle into an infinitely repeating pattern of digits.

  5. Fast inverse square root - Wikipedia

    en.wikipedia.org/wiki/Fast_inverse_square_root

    Lighting and reflection calculations, as in the video game OpenArena, use the fast inverse square root code to compute angles of incidence and reflection.. Fast inverse square root, sometimes referred to as Fast InvSqrt() or by the hexadecimal constant 0x5F3759DF, is an algorithm that estimates , the reciprocal (or multiplicative inverse) of the square root of a 32-bit floating-point number in ...

  6. ISO 8601 - Wikipedia

    en.wikipedia.org/wiki/ISO_8601

    So a time might appear as either "T134730" in the basic format or "T13:47:30" in the extended format. ISO 8601-1:2019 allows the T to be omitted in the extended format, as in "13:47:30", but only allows the T to be omitted in the basic format when there is no risk of confusion with date expressions.

  7. Chess - Wikipedia

    en.wikipedia.org/wiki/Chess

    [note 3] The word "checkmate" is derived from the Persian shāh māt ("the king is dead"). [67] Knights Templar playing chess, Libro de los juegos, 1283. Xiangqi is the form of chess best known in China. The eastern migration of chess, into China and Southeast Asia, has even less documentation than its migration west, making it largely conjectured.

  8. Windows-1252 - Wikipedia

    en.wikipedia.org/wiki/Windows-1252

    Windows-1252; MIME / IANA: windows-1252 [1]: Alias(es) cp1252 (code page 1252)Language(s) All supported by ISO/IEC 8859-1 plus full support for French and Finnish and ligature forms for English; e.g. Danish (except for a rare exceptional letter), Irish, Italian, Norwegian, Portuguese, Spanish, Swedish, German (missing uppercase ẞ), Icelandic, Faroese, Luxembourgish, Albanian, Estonian ...