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  2. Ludus duodecim scriptorum - Wikipedia

    en.wikipedia.org/wiki/Ludus_duodecim_scriptorum

    Ludus duodecim scriptorum, or XII scripta, was a board game popular during the time of the Roman Empire. The name translates as "game of twelve markings", probably referring to the three rows of 12 markings each found on most surviving boards. The game tabula is thought to be a descendant of this game, and both are tables games as is modern ...

  3. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system. The decimal multiplication table was traditionally taught as an essential part of elementary arithmetic around the world, as it lays the foundation for arithmetic operations ...

  4. Duodecimal - Wikipedia

    en.wikipedia.org/wiki/Duodecimal

    In this section, numerals are in decimal. For example, "10" means 9+1, and "12" means 9+3. The Dozenal Society of America argues that if a base is too small, significantly longer expansions are needed for numbers; if a base is too large, one must memorise a large multiplication table to perform arithmetic.

  5. Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

  6. Nimber - Wikipedia

    en.wikipedia.org/wiki/Nimber

    Nimber multiplication (sequence A051775 in the OEIS) The nonzero elements form the Cayley table of Z 15. The small matrices are permuted binary Walsh matrices. Nimber multiplication of powers of two (sequence A223541 in the OEIS) Calculating the nim-products of powers of two is a decisive point in the recursive algorithm of nimber-multiplication.

  7. Ancient Egyptian multiplication - Wikipedia

    en.wikipedia.org/.../Ancient_Egyptian_multiplication

    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.

  8. With ‘Strands,’ the New York Times has found its next hit game

    www.aol.com/strands-york-times-found-next...

    TimesGames app lets people play some puzzles, like Wordle and Strands, for free. Full access, which includes the Crossword, a few other games and archives, costs $6 per month.

  9. Multiplication algorithm - Wikipedia

    en.wikipedia.org/wiki/Multiplication_algorithm

    It requires memorization of the multiplication table for single digits. This is the usual algorithm for multiplying larger numbers by hand in base 10. A person doing long multiplication on paper will write down all the products and then add them together; an abacus-user will sum the products as soon as each one is computed.

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