Hands-on Demos

Interactive demos referenced in articles in the book are listed here. Try them out. They are fun and revealing.

• Chicken and Rabbits problem: ChicRabb
  
  
• Binary counters: UpCounter and DownCounter
  
  
• Octal and hex counters: OctalCounter and HexCounter
  
  
• Math Online: MathOnline
  
  
• Magic tray puzzle: MagicTray
  
  
• Tracing the recursive GCD algorithm: InteractiveGCD
  
  
• Tower of Hanoi puzzle: TowerOfHanoi

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