What Java enhancements are possible?

• Pointing to invoke a response
• Cross hairs
• Button selections
• Menu selections
• Interactive plots of equations
• Interactive display of solutions of differential equations
• Animations
• Sounds
• Games

Using almost the same algorithm as a template

Graphs with scrollbars for equations: 14 times

Graphs from solutions of differential equations: 18 times

Animations based on rotating spokes: 5 times

Magic blackboard: 3 times

Animations based on many small circles: 15 times

Interactive line drawings: 48 times

Other, e.g., games, calculation aids: 6