| Simple Pendulum | (java) | a period of simple pendulum depends on amplitude. but it approximates to constant value in condition θ << 1. |
| Double Pendulum | (java) | Simulate a double pendulum by using the Runge-Kutta method. |
| Cycloidal Pendulum | (java) | Simulation of a cycloidal pendulum and its surroundings. |
| Wilberforce Pendulum | (Flash) | About a Wilberforce Pendulum. |
| sound New!! | (java) | You can beep your computer speaker using this applet. |
| Polarization | (java) | Simulation and explanation about polarization. |
| electrification 1 | (java) | Simulate a lone charged sphere shell. |
| electrification 2 | (java) | Simulate a charged sphere shell which is grounded. |
| vector potential | easy example of a vector potential. | |
| dielectric substances | electric lines of force in boundary of dielectric substances. | |
| electric field | (java) | Simulate an electric field generated by point charges. You can set a charge on your demanding points. |
| radiation | Radiation from a harmonic oscillated charge. | |
| magnetic dipole | potential from magnetic dipoles. |
| Schrödinger Equation on spherical coordinates |
How express Schödinger Eq. on spherical coordinates. | |
| Spherical Harmonics | About Spherical Harmonics function. |
| 2D Ising Model | (java) | Ising Model in 2D. |
| crystal structure 1 | (java) | Simulate the experiments determine the lattice constant from a X-ray picture took by the powder method. |
| Lissajous | (java) | Drawing the Lissajous curve which is compound from the harmonic oscillators crossed perpendicular. |
| Koch Lines. | (java) | Drawing the Koch lines gradually. |
| Taylor expansion | fundamental explanation of the taylor expansion. | |
| Fourier seriesrenew! | fundamental explanation of the Fourier series. |
| linealize | (javascript) | calculate a linear line from (x,y) datas. |
| probably error | (javascript) | calculate probably errors from n datas |
| log scale | (javascript) | Transform datas from (x,y) to logscale (x',y') |