Chisanbop or chisenbop (from Korean chi (ji) finger + sanpŏp (sanbeop) calculation 지산법/指算法) is an abacus-like finger counting method used to perform basic mathematical operations. According to The Complete Book of Chisanbop by Hang Young Pai, chisanbop was created in the 1940s in Korea by Sung Jin Pai and revised by his son Hang Young...
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http://en.wikipedia.org/wiki/Chisanbop
a system for performing basic arithmetic calculations, esp. addition, by counting on one's fingers in a specified way.
Found on
https://www.infoplease.com/dictionary/chisanbop
No exact match found.
