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Collaborative Community of EJS 
EJS user community
Latest EJS simulations uploaded from members:- Ejs open source Lens object image java applet by lookang
- Roller Coaster Physics by Michael Gallis & Wolfgang Christian remix by lookang by lookang
- Ejs Open source Blackbody radiation curves customised for nanometre nm by lookang
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248 Posts
49 Topics
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Last post by lookang
in Re: Ejs open source Lens...
on June 28, 2009, 05:19:20 PM
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Information and Download
Easy Java Simulations (Ejs) is a software tool designed for the creation of computer simulations.
It is designed for sicence teacher (not for professional programmer)
What user need to do is supply information about science model (define variable, provide initial condition- initial value for variables , giving evolution condition -how variable change with time or constrains between variables) , Ejs will create java applet/ html page for your simulation.
Please check out EJS wiki download for latest information
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73 Posts
25 Topics
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Last post by alanjay18
in Re: Doppler Waveform
on May 06, 2009, 12:24:40 PM
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EJS tutorial (How to create simulation with EJS)
This board will show you (with swf files) how to create your own simulation with EJS. You can also download already created simulation and modify it's model to change the behavior of the simulation.Latest EJS simulations uploaded from members:- Lesson 1: simple harmonic motion in 1D by hwang
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3 Posts
3 Topics
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Last post by Fu-Kwun Hwang
in SWF movie show step by ...
on May 28, 2009, 05:54:09 AM
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Questions related to EJS
If you have any question related to EJS. Please posted it here. Please upload your ejs source and write down detail description about your problem. I will try to help as best as I can! (click Additional Options... to upload EJS source)Latest EJS simulations uploaded from members:- how to make the left right button to vary x? for all modes by lookang
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301 Posts
62 Topics
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Last post by Fu-Kwun Hwang
in Re: how to wrap a graphi...
on July 01, 2009, 09:28:19 PM
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Optics
Ejs examples related to optics :Latest simulations- Magnify Lens/ Microscope / Telescope
- Relation 1/p+1/q=1/f
- Light reflected from arbitrary number of mirrors
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78 Posts
35 Topics
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Last post by Fu-Kwun Hwang
in Re: The height of the mi...
on June 21, 2009, 11:30:14 PM
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Kinematics
Examples related to kinematics :Latest simulations- X(t), V(t) and a(t) plots : drag x to view v(t)/a(t) or set constant a
- Another projectile motion (Set up initial condition)
- Constant speed circular motion
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105 Posts
32 Topics
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Last post by Fu-Kwun Hwang
in X(t), V(t) and a(t) plot...
on April 04, 2009, 03:17:39 PM
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Dynamics
Examples related to dynamics :Latest simulations- No gravitational force inside a uniform shell of matter
- Impact force
- Coupled oscillators
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230 Posts
84 Topics
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Last post by Fu-Kwun Hwang
in Re: Rolling with or with...
on June 11, 2009, 10:24:27 PM
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Wave and Fluid
Examples related to wave and fluid :Latest simulations- fluid surface in an accelerating system
- EJS version of Fourier Synthesis (You can hear the sound,too!)
- Superposition of two impulses (Gauss wave)
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45 Posts
19 Topics
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Last post by Fu-Kwun Hwang
in fluid surface in an acce...
on June 20, 2009, 09:07:01 PM
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Electromagnetism
Ejs applets related to E & M
:Latest simulations- Three charges in static equilibrium
- Electrostatic force between 3 charges
- Ohm's Law
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84 Posts
28 Topics
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Last post by Fu-Kwun Hwang
in Three charges in static ...
on June 26, 2009, 03:00:39 PM
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Thermodynamics
Ejs program related to thermodynamics :Latest simulations- ideal gas law: PV=nRT
- Thermal dynamic processes: isobaric, isochoric, isothermal, adiabatic processes
- particle model for solid/liquid/gas states in 3D
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39 Posts
8 Topics
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Last post by Fu-Kwun Hwang
in Re: particle model for s...
on February 20, 2009, 01:04:15 PM
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Modern Physics
Applets related to modern physics :Latest simulations- Light cone (simulation)
- Bragg's Law and Diffraction
- Bohr's Theory of the Hydrogen Atom
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67 Posts
17 Topics
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Last post by Fu-Kwun Hwang
in Light cone (simulation)
on May 28, 2009, 04:55:47 PM
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misc
applets related to mathematics or other topics :Latest simulations- Circuit builder
- Equation for a plane: a*x+b*y+c*z+d=0 what those coefficients (a,b,c,d) means
- Solution for two linear equations
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179 Posts
29 Topics
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Last post by lookang
in Re: Vernier Caliper and ...
on June 27, 2009, 11:28:56 PM
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Ejs simulations from other web sites
There are many good simulations on the web, you are welcomed to add more simulations you have found.
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17 Posts
11 Topics
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Last post by Fu-Kwun Hwang
in Re: Free Oscillations an...
on January 06, 2009, 08:32:35 PM
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Simple Examples for beginner who want to learn EJS
For beginner who want to learn how to create simulation with EJS. Please check out simple EJS Examples and open EJS window to show the source code (Click 'load ejs as signed applet' button. :Latest simulations- Another GUI example: illustrate 10 base/ 2 base and 16 base Number
- Link EJS GUI properties to model variables (image:width/height/angle)
- Linear Equation a*x+b*y=c
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30 Posts
14 Topics
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Last post by Fu-Kwun Hwang
in Another GUI example: ill...
on March 29, 2009, 06:17:40 PM
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to toggle view about 
