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Definition of Counting rod
1. Noun. 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. ¹
¹ Source: wiktionary.com
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1. Noun. 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. ¹
¹ Source: wiktionary.com