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  2. Division by two - Wikipedia

    en.wikipedia.org/wiki/Division_by_two

    In binary arithmetic, division by two can be performed by a bit shift operation that shifts the number one place to the right. This is a form of strength reduction optimization. For example, 1101001 in binary (the decimal number 105), shifted one place to the right, is 110100 (the decimal number 52): the lowest order bit, a 1, is removed.

  3. One half - Wikipedia

    en.wikipedia.org/wiki/One_half

    One half is the rational number that lies midway between 0 and 1 on the number line. Multiplication by one half is equivalent to division by two, or "halving"; conversely, division by one half is equivalent to multiplication by two, or "doubling". A square of side length one, here dissected into rectangles whose areas are successive powers of ...

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  5. Half-integer - Wikipedia

    en.wikipedia.org/wiki/Half-integer

    The set of all half-integers is often denoted + = . The integers and half-integers together form a group under the addition operation, which may be denoted [2] . However, these numbers do not form a ring because the product of two half-integers is not a half-integer; e.g. = . [3] The smallest ring containing them is [], the ring of dyadic rationals.

  6. Ancient Egyptian multiplication - Wikipedia

    en.wikipedia.org/wiki/Ancient_Egyptian...

    In mathematics, ancient Egyptian multiplication (also known as Egyptian multiplication, Ethiopian multiplication, Russian multiplication, or peasant multiplication), one of two multiplication methods used by scribes, is a systematic method for multiplying two numbers that does not require the multiplication table, only the ability to multiply and divide by 2, and to add.

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    www.aol.com/games/play/masque-publishing/pinochle

    Aces around, dix or double pinochles. Score points by trick-taking and also by forming combinations of cards into melds.

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    www.aol.com/games/play/masque-publishing/world...

    Texas Hold'em, Omaha, 7-Card Stud, 5-Card Draw and more at the most authentic free-to-play online poker room, based on the award-winning World Class Poker with T.J. Cloutier ...

  9. List of five-number lottery games - Wikipedia

    en.wikipedia.org/wiki/List_of_five-number...

    The lists do not include "4+1" games, such as Florida's Lucky Money, where all five numbers must be matched to win the top prize, but are drawn from two number fields(A similar game, Montana's "Big Sky Bonus", is actually a "four-number" game; the double matrix is 4/31 + 1/16(previously was 4/28 + 1/17). Matching all four "regular" numbers wins ...