- 창의재단추가자료
- Surface Area for Cuboid
- Animation: Excavator
- Parallel Parking optimization (US customary units)
- Construction of a parabola
- Multiplying integers
- Area of a Circle - Wedge Demo 1
- Triangles in a Square
- Hurricane Irene
- Linear Programming Problems
- Dice Rolling Simulation
- Discovering relations between area and circumference.
- Animation: Expanding square
- volume enlargement
- Measuring Angles Using Protractor
- Section d'une pyramide
- The determinant 2 by 2 is the area of a parallelogram
- Falling triangle
- Area of Circle, by inscribed polygons
- Random music
- Random walk 2D and some statistics