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  2. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    Note: The reason why this works is that if we have: a+b=c and b is a multiple of any given number n, then a and c will necessarily produce the same remainder when divided by n. In other words, in 2 + 7 = 9, 7 is divisible by 7. So 2 and 9 must have the same remainder when divided by 7. The remainder is 2.

  3. Division (mathematics) - Wikipedia

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

    In terms of partition, 20 / 5 means the size of each of 5 parts into which a set of size 20 is divided. For example, 20 apples divide into five groups of four apples, meaning that "twenty divided by five is equal to four". This is denoted as 20 / 5 = 4, or ⁠ 20 / 5 ⁠ = 4. [2] In the example, 20 is the dividend, 5 is the divisor, and 4 is ...

  4. Chopsticks (hand game) - Wikipedia

    en.wikipedia.org/wiki/Chopsticks_(hand_game)

    The game's scores are tracked on the fingers of both hands. Splits (sometimes called Calculator, Chopsticks, or just Sticks) [citation needed] is a hand game for two or more players, in which players extend a number of fingers from each hand and transfer those scores by taking turns tapping one hand against another.

  5. Napier's bones - Wikipedia

    en.wikipedia.org/wiki/Napier's_bones

    (For example, the sixth row is read as: 0 ⁄ 6 1 ⁄ 2 3 ⁄ 6 → 756). Like in multiplication shown before, the numbers are read from right to left and add the diagonal numbers from top-right to left-bottom (6 + 0 = 6; 3 + 2 = 5; 1 + 6 = 7). The largest number less than the current remainder, 1078 (from the eighth row), is found.

  6. Stepped reckoner - Wikipedia

    en.wikipedia.org/wiki/Stepped_reckoner

    The stepped reckoner or Leibniz calculator was a mechanical calculator invented by the German mathematician Gottfried Wilhelm Leibniz (started in 1673, when he presented a wooden model to the Royal Society of London [2] and completed in 1694). [1]

  7. Charles L. Flint - Wikipedia

    en.wikipedia.org/wiki/Charles_L._Flint

    Charles Louis Flint (May 8, 1824 – February 26, 1889) was a lawyer, cofounder and first secretary of the Massachusetts Board of Agriculture, a lecturer in cattle and dairy farming, the first secretary of the Massachusetts Agricultural College Board of Trustees (now known as the University of Massachusetts Amherst) and the college's fourth president.

  8. Interstate 95 in Delaware - Wikipedia

    en.wikipedia.org/wiki/Interstate_95_in_Delaware

    Interstate 95 (I-95) is an Interstate Highway running along the East Coast of the United States from Miami, Florida, north to the Canadian border in Houlton, Maine.In the state of Delaware, the route runs for 23.43 miles (37.71 km) across the Wilmington area in northern New Castle County from the Maryland state line near Newark northeast to the Pennsylvania state line in Claymont.