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  1. The Chinese Abacus, History, How to Use the Chinese Abacus

  2. Suanpan - Wikipedia

  3. The Story of the Chinese Abacus - China Daily

  4. The Chinese Abacus - Smithsonian Institution

  5. How to Use a Chinese Abacus - Sciencing

  6. Chinese Abacus (Suan Pan) - Alcula

  7. Chinese Zhusuan, knowledge and practices of mathematical

  8. The Chinese Abacus Explained: Counting, Multiplication & More

  9. Chinese Abacus: The beads that changed the world - CGTN

  10. The Chinese Abacus and How to Use it - China Market Advisor