English Dictionary

counting rod

名詞

(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.

日本語の意味

数学で使われる、アジアの一部の国で用いられる小さな棒の一組。水平や垂直に配置され、任意の数値や分数を表現するために使われる道具。

In the museum exhibit, a single counting rod lay beside ancient mathematical charts, revealing how calculations were once performed.

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。

意味（1）

(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.

In recent archaeological excavations a number of ancient counting-rods have been unearthed. More than 30 rods were found in August 1971 in Qianyang County of Shaanxi Province.]

counting rods （ plural ）