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  2. Parity (mathematics) - Wikipedia

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

    Even and odd numbers have opposite parities, e.g., 22 (even number) and 13 (odd number) have opposite parities. In particular, the parity of zero is even. [2] Any two consecutive integers have opposite parity. A number (i.e., integer) expressed in the decimal numeral system is even or odd according to whether its last digit is even or odd. That ...

  3. Even and odd functions - Wikipedia

    en.wikipedia.org/wiki/Even_and_odd_functions

    If a real function has a domain that is self-symmetric with respect to the origin, it may be uniquely decomposed as the sum of an even and an odd function, which are called respectively the even part (or the even component) and the odd part (or the odd component) of the function, and are defined by = + (), and = ().

  4. Bracket (tournament) - Wikipedia

    en.wikipedia.org/wiki/Bracket_(tournament)

    Assuming an even number of pools (e.g., pool A, B, C, and D), each of the #1 ranked team based upon their pool play results play an initial game (A1 vs B1, C1 vs D1). Winners go to the championship. Losers play for 3rd and 4th place. Assuming an odd pools number of pools (e.g., pool A, B, and C), Seed 1 from Pool A (A1) plays seed 1 from Pool B ...

  5. Round-robin tournament - Wikipedia

    en.wikipedia.org/wiki/Round-robin_tournament

    For an even number or an odd number of competitors, Schurig [20] builds a table with / vertical rows and horizontal rows. Then he populates it starting from the top left corner by repeating the sequence of numbers from 1 up to n − 1 {\displaystyle n-1} .

  6. Scoring system development of badminton - Wikipedia

    en.wikipedia.org/wiki/Scoring_system_development...

    The original scoring system in badminton dates back to as early as 1873. [1] A match or rubber is decided by the best of three games. Each game is played to 15 points in the case of men's singles and any doubles games. In the case of ladies' singles, a game is played to 11 points.

  7. Odds and evens - Wikipedia

    en.wikipedia.org/wiki/Odds_and_evens

    Odds and evens may refer to: . Odds and evens (hand game), a two-player guessing game using fingers Odds and evens (patience), a solitaire variant of the card game Royal Cotillion

  8. Science fair - Wikipedia

    en.wikipedia.org/wiki/Science_fair

    A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science education.

  9. Badminton - Wikipedia

    en.wikipedia.org/wiki/Badminton

    The Badminton World Federation (BWF) is the internationally recognized governing body of the sport responsible for the regulation of tournaments and approaching fair play. Five regional confederations are associated with the BWF, the rest are unaffiliated, or are minor in comparison.