How To Use An Abacus

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• Introduction
• Basics
• Addition
• Subtraction
• Exercises
• Multiplication
• Exercises
• Division
• Exercises
• Negative Numbers
• Hexadecimal Calculation with the Chinese Abacus
• Exercises

[edit] External links

• Abacus: Mystery of the Bead - An Abacus Manual
• Advanced Abacus Techniques
• Lee Kai-chen's Improved Abacus - A demonstration of how the Lee's Abacus works