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  2. Multiplication algorithm - Wikipedia

    en.wikipedia.org/wiki/Multiplication_algorithm

    A multiplication algorithm is an algorithm (or method) to multiply two numbers. Depending on the size of the numbers, different algorithms are more efficient than others. Numerous algorithms are known and there has been much research into the topic. The oldest and simplest method, known since antiquity as long multiplication or grade-school ...

  3. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    The word mathematics comes from the Ancient Greek word máthฤ“ma (μฮฌθημα), meaning ' something learned, knowledge, mathematics ', and the derived expression mathฤ“matikแธ— tékhnฤ“ (μαθηματικแฝด τฮญχνη), meaning ' mathematical science '. It entered the English language during the Late Middle English period through French and ...

  4. Trachtenberg system - Wikipedia

    en.wikipedia.org/wiki/Trachtenberg_system

    Trachtenberg system. The Trachtenberg system is a system of rapid mental calculation. The system consists of a number of readily memorized operations that allow one to perform arithmetic computations very quickly. It was developed by the Ukrainian engineer Jakow Trachtenberg in order to keep his mind occupied while being in a Nazi concentration ...

  5. Attention Kmart shoppers: The last full-size Kmart in the ...

    www.aol.com/attention-kmart-shoppers-last-full...

    Kmart, once one of America’s leading discount retailers, is closing its last full-size store in the mainland United States. The store, in Bridgehampton, New York, on Long Island, is due to close ...

  6. Wheat and chessboard problem - Wikipedia

    en.wikipedia.org/wiki/Wheat_and_chessboard_problem

    The problem may be solved using simple addition. With 64 squares on a chessboard, if the number of grains doubles on successive squares, then the sum of grains on all 64 squares is: 1 + 2 + 4 + 8 + ... and so forth for the 64 squares. The total number of grains can be shown to be 2 64 −1 or 18,446,744,073,709,551,615 (eighteen quintillion ...

  7. Existing newborn screenings may be able to identify risk of ...

    www.aol.com/news/existing-newborn-screenings-may...

    A study found that a group of chemicals called metabolites, which are tested for in newborn screenings, are associated with a risk of SIDS.

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