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  2. Odd–even rationing - Wikipedia

    en.wikipedia.org/wiki/Oddeven_rationing

    Oddeven rationing is a method of rationing in which access to some resource is restricted to some of the population on any given day. In a common example, drivers of private vehicles may be allowed to drive , park, or purchase gasoline on alternating days, according to whether the last digit in their license plate is even or odd .

  3. Parity (mathematics) - Wikipedia

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

    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 is, if the last digit is 1, 3, 5, 7, or 9, then it is odd; otherwise it is even—as the last digit of any even number is 0, 2, 4, 6, or 8.

  4. List of non-standard dates - Wikipedia

    en.wikipedia.org/wiki/List_of_non-standard_dates

    January 0 or 0 January is an alternative name for December 31.January 0 is the day before January 1 in an annual ephemeris.It keeps the date in the year for which the ephemeris was published, thus avoiding any reference to the previous year, even though it is the same day as December 31 of the previous year.

  5. Secondary education in the United States - Wikipedia

    en.wikipedia.org/wiki/Secondary_education_in_the...

    Also referred to as A/B (day) scheduling, Odd/Even (day) scheduling, or (day) 1/2 block scheduling. Students take three to four courses, around 90–120 minutes in length, per day all year long on alternating days resulting in a full six or eight courses per year. [41] [42] An example table of a possible schedule is provided below.

  6. NHPS - Wikipedia

    en.wikipedia.org/wiki/NHPS

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  7. Doomsday rule - Wikipedia

    en.wikipedia.org/wiki/Doomsday_rule

    If T is odd, add 11. Now let T = ⁠ T / 2 ⁠. If T is odd, add 11. Now let T = 7 − (T mod 7). Count forward T days from the century's anchor day to get the year's anchor day. Applying this method to the year 2005, for example, the steps as outlined would be: T = 5; T = 5 + 11 = 16 (adding 11 because T is odd) T = ⁠ 16 / 2 ⁠ = 8; T = 8 ...

  8. Parity of a permutation - Wikipedia

    en.wikipedia.org/wiki/Parity_of_a_permutation

    The permutation is odd if and only if this factorization contains an odd number of even-length cycles. Another method for determining whether a given permutation is even or odd is to construct the corresponding permutation matrix and compute its determinant. The value of the determinant is the same as the parity of the permutation. Every ...

  9. Common Core - Wikipedia

    en.wikipedia.org/wiki/Common_Core

    The Common Core State Standards Initiative, also known as simply Common Core, was an American, multi-state educational initiative begun in 2010 with the goal of increasing consistency across state standards, or what K–12 students throughout the United States should know in English language arts and mathematics at the conclusion of each school grade.