counting rod
To squeeze; to scrunch.
(mathematics) One of a set of small bars, used by mathematicians in some Asian countries, placed either horizontally or vertically to represent any number and any fraction.
exanthema subitum
Alternative spelling of poll tax
博物館の展示には、一つの算木が古い数学の図表のそばに置かれており、かつてどのように計算が行われていたかを示していた。
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DiQt
Free
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