Xie Chawei's Math Treatise, originally titled The Primer of Numeracy. This three-volume work by the Song Dynas…
Xie Chawei's Math Treatise, originally titled The Primer of Numeracy. This three-volume work by the Song Dynasty mathematician Xie Chawei offers an accessible introduction to arithmetic. It explains basic concepts such as numbers, units of measurement, and arithmetic terms, and notably includes the clear references to the abacus.