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  2. Chinese mathematics - Wikipedia

    en.wikipedia.org/wiki/Chinese_mathematics

    The first reference to a book being used in learning mathematics in China is dated to the second century CE (Hou Hanshu: 24, 862; 35,1207). We are told that Ma Xu, who is a youth c. 110, and Zheng Xuan (127–200) both studied the Nine Chapters on Mathematical procedures. Christopher Cullen claims that mathematics, in a manner akin to medicine ...

  3. Rod calculus - Wikipedia

    en.wikipedia.org/wiki/Rod_calculus

    Take 7 out of the multiplier since it has been multiplied. 8×6 = 48, 4 added to the 6 of the last step makes 10, carry 1 over. Take off 8 of the units place in the multiplicand, and take off 6 in the units place of the multiplier. Sum the 2380 and 508 in the middle, which results in 2888: the product.

  4. Chinese multiplication table - Wikipedia

    en.wikipedia.org/wiki/Chinese_multiplication_table

    The Tsinghua Bamboo Slips, containing the world's earliest decimal multiplication table, dated 305 BC during the Warring States period. The Chinese multiplication table is the first requisite for using the Rod calculus for carrying out multiplication, division, the extraction of square roots, and the solving of equations based on place value decimal notation.

  5. The Nine Chapters on the Mathematical Art - Wikipedia

    en.wikipedia.org/wiki/The_Nine_Chapters_on_the...

    The Suàn shù shū (算數書) or Writings on Reckonings is an ancient Chinese text on mathematics approximately seven thousand characters in length, written on 190 bamboo strips. It was discovered together with other writings in 1983 when archaeologists opened a tomb in Hubei province.

  6. List of Chinese discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Chinese_discoveries

    Map scaling: The foundations for quantitative map scaling goes back to ancient China with textual evidence that the idea of map scaling was understood by the second century BC. Ancient Chinese surveyors and cartographers had ample technical resources used to produce maps such as counting rods , carpenter's square 's, plumb lines , compasses for ...

  7. Counting rods - Wikipedia

    en.wikipedia.org/wiki/Counting_rods

    [6] [7] The use of counting rods must predate it; Sunzi (c. 544 to c. 496 BCE), a military strategist at the end of Spring and Autumn period of 771 BCE to 5th century BCE, mentions their use to make calculations to win wars before going into the battle; [8] Laozi (died 531 BCE), writing in the Warring States period, said "a good calculator ...

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  9. List of mathematics competitions - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematics...

    The Centre for Education in Mathematics and Computing (CEMC) based out of the University of Waterloo hosts long-standing national competitions for grade levels 7–12 [2] [3] MathChallengers (formerly MathCounts BC) — for eighth, ninth, and tenth grade students

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