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  2. 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.

  3. Chisanbop - Wikipedia

    en.wikipedia.org/wiki/Chisanbop

    The Chisanbop system. When a finger is touching the table, it contributes its corresponding number to a total. Chisanbop or chisenbop (from Korean chi (ji) finger + sanpŏp (sanbeop) calculation [1] 지산법/指算法), sometimes called Fingermath, [2] is a finger counting method used to perform basic mathematical operations.

  4. Lattice multiplication - Wikipedia

    en.wikipedia.org/wiki/Lattice_multiplication

    A grid is drawn up, and each cell is split diagonally. The two multiplicands of the product to be calculated are written along the top and right side of the lattice, respectively, with one digit per column across the top for the first multiplicand (the number written left to right), and one digit per row down the right side for the second multiplicand (the number written top-down).

  5. Chinese mathematics - Wikipedia

    en.wikipedia.org/wiki/Chinese_mathematics

    The Chinese Academy of Sciences was established in November 1949. The Institute of Mathematics was formally established in July 1952. Then, the Chinese Mathematical Society and its founding journals restored and added other special journals.

  6. List of Frequently Used Characters in Modern Chinese

    en.wikipedia.org/wiki/List_of_Frequently_Used...

    The List of Frequently Used Characters in Modern Chinese (simplified Chinese: 现代汉语常用字表; traditional Chinese: 現代漢語常用字表; pinyin: Xiàndài Hànyǔ Chángyòngzì Biǎo) is a list of 3,500 frequently-used Chinese characters, which are further divided into two levels: 2,500 frequently-used characters and 1,000 less frequently-used characters.

  7. Chinese remainder theorem - Wikipedia

    en.wikipedia.org/wiki/Chinese_remainder_theorem

    The Chinese remainder theorem is widely used for computing with large integers, as it allows replacing a computation for which one knows a bound on the size of the result by several similar computations on small integers. The Chinese remainder theorem (expressed in terms of congruences) is true over every principal ideal domain.

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  9. Mental abacus - Wikipedia

    en.wikipedia.org/wiki/Mental_abacus

    The abacus can be used routinely to perform addition, subtraction, multiplication, and division; it can also be used to extract square and cube [4] roots.

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