CDF

• Standing waves in Bohr’s atomic model
• Electric dipole
• Function derivatives
• Duncan Watts’ “Small Worlds” α-model
• Wave motion visualization
• Eiffel tower
• An anticipatory interaction model for a crowd of pedestrians
• Electric dance

Wolfram Demonstration Project

• A poly function and its derivative

Geogebra

• The definite integral as the limit of a Riemann sum
• Interference of two waves in 3D (double slit experiment)
• Geogebra Basketball 3D – with rebounds
• Intersection of a torus with a plane (simulation)