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  2. Shift plan - Wikipedia

    en.wikipedia.org/wiki/Shift_plan

    The shift plan, rota or roster (esp. British) is the central component of a shift schedule in shift work. [1] The schedule includes considerations of shift overlap, shift change times and alignment with the clock, vacation, training, shift differentials, holidays, etc.

  3. Schedule (workplace) - Wikipedia

    en.wikipedia.org/wiki/Schedule_(workplace)

    A schedule, often called a rota or a roster, is a list of employees, and associated information e.g. location, department, working times, responsibilities for a given time period e.g. week, month or sports season. A schedule is necessary for the day-to-day operation of many businesses e.g. retail store, manufacturing facility and some offices.

  4. Quaternions and spatial rotation - Wikipedia

    en.wikipedia.org/wiki/Quaternions_and_spatial...

    3D visualization of a sphere and a rotation about an Euler axis (^) by an angle of In 3-dimensional space, according to Euler's rotation theorem, any rotation or sequence of rotations of a rigid body or coordinate system about a fixed point is equivalent to a single rotation by a given angle about a fixed axis (called the Euler axis) that runs through the fixed point. [6]

  5. Shift work - Wikipedia

    en.wikipedia.org/wiki/Shift_work

    The shift plan or rota is the central component of a shift schedule. [citation needed] The schedule includes considerations of shift overlap, shift change times and alignment with the clock, vacation, training, shift differentials, holidays, etc., whereas the shift plan determines the sequence of work and free days within a shift system.

  6. Rotation matrix - Wikipedia

    en.wikipedia.org/wiki/Rotation_matrix

    Rotation matrix. In linear algebra, a rotation matrix is a transformation matrix that is used to perform a rotation in Euclidean space. For example, using the convention below, the matrix. rotates points in the xy plane counterclockwise through an angle θ about the origin of a two-dimensional Cartesian coordinate system.

  7. ROT13 - Wikipedia

    en.wikipedia.org/wiki/ROT13

    ROT13 (Rotate13, " rotate by 13 places ", sometimes hyphenated ROT-13) is a simple letter substitution cipher that replaces a letter with the 13th letter after it in the Latin alphabet. ROT13 is a special case of the Caesar cipher which was developed in ancient Rome. Because there are 26 letters (2×13) in the basic Latin alphabet, ROT13 is its ...

  8. Umbral calculus - Wikipedia

    en.wikipedia.org/wiki/Umbral_calculus

    The method is a notational procedure used for deriving identities involving indexed sequences of numbers by pretending that the indices are exponents.Construed literally, it is absurd, and yet it is successful: identities derived via the umbral calculus can also be properly derived by more complicated methods that can be taken literally without logical difficulty.

  9. Earth's rotation - Wikipedia

    en.wikipedia.org/wiki/Earth's_rotation

    These tables were used to calculate the world's ephemerides between 1900 and 1983, so this second became known as the ephemeris second. In 1967 the SI second was made equal to the ephemeris second. [34] The apparent solar time is a measure of Earth's rotation and the difference between it and the mean solar time is known as the equation of time.