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  2. Suanpan - Wikipedia

    en.wikipedia.org/wiki/Suanpan

    The suanpan (simplified Chinese: 算盘; traditional Chinese: 算盤; pinyin: suànpán), also spelled suan pan or souanpan [1] [2]) is an abacus of Chinese origin, earliest first known written documentation of the Chinese abacus dates to the 2nd century BCE during the Han dynasty, and later, described in a 190 CE book of the Eastern Han ...

  3. Chinese multiplication table - Wikipedia

    en.wikipedia.org/wiki/Chinese_multiplication_table

    See also Numbers in Chinese culture § Nine. It is also known as nine-nine song (or poem), [2] as the table consists of eighty-one lines with four or five Chinese characters per lines; this thus created a constant metre and render the multiplication table as a poem. For example, 9 × 9 = 81 would be rendered as "九九八十一", or "nine nine ...

  4. Rod calculus - Wikipedia

    en.wikipedia.org/wiki/Rod_calculus

    Using the Chinese multiplication table and division, 30÷7 equals 4 remainder 2. Place the quotient, 4, in the top row and the remainder, 2, in the middle row. Move the divisor one place to the right, changing it to vertical form. 29÷7 equals 4 remainder 1. Place the quotient, 4, on top, leaving the divisor in place.

  5. Lattice multiplication - Wikipedia

    en.wikipedia.org/wiki/Lattice_multiplication

    As an example, consider the multiplication of 58 with 213. After writing the multiplicands on the sides, consider each cell, beginning with the top left cell. In this case, the column digit is 5 and the row digit is 2. Write their product, 10, in the cell, with the digit 1 above the diagonal and the digit 0 below the diagonal (see picture for ...

  6. Tsinghua Bamboo Slips - Wikipedia

    en.wikipedia.org/wiki/Tsinghua_Bamboo_Slips

    The very large size of the collection and the significance of the texts for scholarship make it one of the most important discoveries of early Chinese texts to date. [1] [2] On 7 January 2014 the journal Nature announced that a portion of the Tsinghua Bamboo Strips represent "the world's oldest example" of a decimal multiplication table. [3]

  7. US Senate Democrats rush to confirm judges before Trump takes ...

    www.aol.com/news/us-senate-democrats-rush...

    (Reuters) -The U.S. Senate's Democratic majority began a crusade on Tuesday to confirm as many new federal judges nominated by President Joe Biden as possible to avoid leaving vacancies that ...

  8. Roblox tightens messaging rules for under-13 users amid abuse ...

    www.aol.com/news/roblox-tightens-messaging-rules...

    The gaming platform, which reported around 89 million users last quarter, said it will allow parents and caregivers to remotely manage their child's Roblox account, view friend lists, set spending ...

  9. Elon Musk says the latest rejection of his mega Tesla payday ...

    www.aol.com/elon-musk-says-latest-rejection...

    A surge in Tesla stock in recent weeks means the package would now be worth about $100 billion. Shares dipped in premarket trading but have jumped by 47% in the past month, valuing the EV maker at ...

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