In the mathematical text Zhoubi Suanjing, dated prior to 300 BC, and the Nine Chapters on the Mathematical Art, multiplication calculations were written out in words, although the early Chinese mathematicians employed Rod calculus involving place value addition, subtraction, multiplication and division.
' Εγραφε συνέχεια σημειώματα, αλλά τα μπέρδευεWikiMatrix WikiMatrix