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  • Interaktive Logik (Gateway to Logic) :: Download Source Code
    interactive propositional logic; show syntax tree, alpha graph, Fregean notation of propositions; display truth tables, normal forms; optimize expressions; check proofs in predicate logic
    http://logik.phl.univie.ac.at/~chris/formular-uk.html

    Wavelet Cascade Applet :: Download Source Code
    This Wavelet Cascade applet allows you to explore all possible wavelets and scaling functions with 4 filter coefficients.
    http://cm.bell-labs.com/who/wim/cascade/

    Famous Curves Applet :: Download Source Code
    An applet that allows the user to interactively explore 63 planar curves and their associated curves (eg. evolute, involutes, inverse wrt a circle, pedal curves, caustics). The associated curves can be viewed in a variety of ways.
    http://www-groups.dcs.st-and.ac.uk/~history/Java

    Chinese Abacus :: Download Source Code
    The Abacus: The Art of Calculating with Beads. A Java implementation of a Chinese and Japanese Abacus. Learn to count and to perform addition and subtraction using an abacus.
    http://www.ee.ryerson.ca:8080/~elf/abacus/

    HYPERSPACE SYMULATOR with an arbitrary number of dimensions :: Download Source Code
    This java applet consists a multidimensional (3 - 7 dimension), but the algorithm is able to compute an arbitrary number of dimensions. The only problem is the elaboration time when the dimensions are increased. The applet shows a projection + an intersection onto a inferior order subspace. For example, using a 3D cube, the applet shows also a 2D (polygon) intersection. Using a 4D hypercube the applet shows also the 3D intersection onto the 3D subspace etc... You also could drag the hypercube across t
    http://www.technocad.com/java/hypercube.html

    interactive heat equation simulator :: Download Source Code
    Heat equation, ut = uxx, 1D time-dependent heat equation simulator. Use mouse down to change single values and observe reults. Originally the temperature flux in a solid bar. interactive simulation, Use mouse click & drag to modify the temperature values and boundary conditions. It serves as a demonstration for a linear scalar parabolic equation. In x-direction (horizontal) is the solid bar. u represents the temperature at that position. The temperature is transported by dif
    http://www.oslo.sintef.no/NAM/people/gwz/java/heat.html

    interactive Burger's equation simulator :: Download Source Code
    Burger's equation, ut + u ux = 0, Use mouse click & drag to modify the (density) values. It serves as a demonstration for a nonlinear scalar hyperbolic equation. originally a street traffic model In x-direction (horizontal) is a one-way street with cars driving right. u represents the density of cars (vertical axis). Shocks appear which represent traffic jams on the street. Use mouse down to change single values and observe results.
    http://www.oslo.sintef.no/NAM/people/gwz/java/burger.html

    interactive Wave equation simulator :: Download Source Code
    Wave equation, utt = uxx Use mouse click & drag to modify the amplitudes and boundary conditions. It serves as a demonstration for a linear scalar wave equation, which is a model for all kind of physical oscillation problems, e.g. the oscillation of a string of a violine, water waves, electro-magnetic waves... In x-direction (horizontal) is the string of the violin. u represents the amplitude at that position. The picture shows the swinging string. Small changes, which hav
    http://www.oslo.sintef.no/NAM/people/gwz/java/wave.html

    WebEQ :: Download Source Code
    WebEQ is an applet which allows authors to easily include mathematical notation in web pages. Equations are described with HTML Math tags passed to the applet as a parameter directly in the HTML source file. Future versions will allow authors to use LaTeX commands in the HTML source to describe equations.
    http://www.geom.umn.edu/locate/WebEQ

    The Mandelbrot Set Applet :: Download Source Code
    This applet features a fully configurable mandelbrot fractal calculation tool. The applet uses GUI components for user friendly configuration and multiple threads to actually calculate the Mandelbrot set.
    http://www.cs.kuleuven.ac.be/~erwin/applets/mandel/mandel.html

    Fourier Analysis Applet :: Download Source Code
    This applet demonstrates the use of Fourier series to approximate various functions. Fourier series show how a periodic function can be represented as a sum of harmonics. That is, the function is represented as a sum of sines and cosines with certain coefficients. The user can draw a function which will be analyzed.
    http://www.mathlab.sunysb.edu/~livshits/licil/fourier/html/Fourier.html

    Gateway to Logic :: Download Source Code
    The Gateway to Logic displays truth tables, alpha graphs, Fregean notation, normal forms and so on of propositions entered in Polish or Peano-Russell-notation (infix). The new version is completely Java driven. Currently, new functions are added regularly.
    http://logik.phl.univie.ac.at/~chris/formular-uk.html

    Fractal Java :: Download Source Code
    Three separate applets that display the Mandelbrot and Julia Sets per the user's specifications. You can zoom in and explore the Mandelbrot set in one, or make a faster rendering of the entire set in another. You can specify the complex number to generate a Julia set about, and then view that. The interface uses JavaScript pass parameters to the Java applet.
    http://ender.cwru.edu/chaos/fractal.html

    Stereoscopic Interactive Hypercube Slicer :: Download Source Code
    Ever poked a 4-dimensional cube thru our space? Here's your chance!
    http://cips02.physik.uni-bonn.de/ScienceSite/hypercubus/animator

    Fourier Synthesis :: Download Source Code
    This applet will display a wave built up by Fourier synthesis and play the resulting wave through the computer's sound system. The Fourier coefficients may be entered or a formula may be used to generate the coefficients.
    http://www.gac.edu/~huber/fourier/

    Proof Builder :: Download Source Code
    This applet helps the beginner to get practice in proving propositions in a Gentzen style calculus by hindering him or her from making certain mistakes in the application of rules.
    http://logik.phl.univie.ac.at/~chris/formular-uk.html

    Ladder's Decision :: Download Source Code
    If you decide some orders among people, things, or any plans randomly or fairly, you can ask the applet "Ladder" to decide for you. You can give numbers to each persons and play random matching games, too. -Enter the number of choices or persons (= number of ladders) and return key. -Enter the name for each ladder -Click on "Decide" button to see the ladder's decision for you.
    http://dagwood.kotel.co.kr/lhy/myladder/ladder.html

    Hypersonic Fractals :: Download Source Code
    Easy and very fast fractal image generator with 3-D display, zoom in and out, 5 fractal formulas, powerfull color functions, automatic zooming, animations, 256x256 and 512x512 versions. Mouse and commandline interface. You can save and reload a position. It's fun!
    http://www.lynx.ch/Contacts/~/ThomasM/hyper.htm

    Fast fractals :: Download Source Code
    This contains the fractals that I've managed to get fast even in java. currently contains a Mandelbrot, an animated Julia and a Sierpiensky triangle.
    http://www.student.nada.kth.se/~d94-rol/fractals/javaapps.html

    MandelView :: Download Source Code
    Viewers for different versions of the Mandelbrot set.
    http://www.cirp.org/~gtf/java/

    Cascade_Visuelle :: Download Source Code
    A small applet which draws the function from a filter. This is the standard Cascade algorithm in base 2. It is useful in wavelet and fractal theory.
    http://cafe.rapidus.net/danilemi/Cascade_Visuelle.html

    Genetic Algorithm Applet :: Download Source Code
    The package banda.genalg contains Java classes implementing a framework for genetic algorithms. It includes an applet for visualizing the evolution of populations. The package is fully extensible, allowing customization of nearly any aspect of the genetic algorithm or the genotypes. It can also be used for genetic programs and evolution programs. Several standard population selection, genotype alteration, lifetime allocation, and fitness scaling algorithms are provided, as are chromosomes with boolean-,
    http://www.sladen.com/Java/banda/genalg/algorithm.html

    Mandelbrot and Julia Explorer :: Download Source Code
    Explore the Mandelbrot Set, try out different palettes and animate the fractal image! Try it!
    http://amaran.cat.syr.edu:8080/mandel/

    Java Student T Tester :: Download Source Code
    This applet performs the Student's t test on two sets of data, and reports the average and variance for both sets of data, the t score, degrees of freedom, and one and two tailed P values.
    http://fig.cox.miami.edu/~burgess/Students_t.html

    Function and differential equation plotter :: Download Source Code
    This applet plots one of: y=f(x) dy/dx=f(x,y) d^2y/dx^2=f(x,y,dydx) A JCAMPDX file
    http://www.shef.ac.uk/~cs1mjp/Java/FunctionDrawer/RungeKutta.html

    Ptplot: Java xgraph plotter :: Download Source Code
    Ptplot is a set of Java classes that can be used as an applet or an application for graphing datasets. Ptplot reads binary or ASCII data, is autoranging, automatically or manually labels axes and tick marks. Ptplot can plot live, animated plots and provided zooming. Ptplot includes a Bourne shell script that can be used as a replacement for xgraph, the X11 graphing tool by David Harrison. Ptplot is freely available under the UC Berkeley Copyright
    http://ptolemy.eecs.berkeley.edu/java/ptplot/

    Langston's Ants :: Download Source Code
    A mathematical simulation- Langston's Ant. Multiple Ants, multiple rulesets
    http://havoc.gtf.gatech.edu/austin/java/GnatSwarmApplet/

    Travelling salesman :: Download Source Code
    This applet animates the solution to the travelling salesman problem using three heuristics.
    http://www.cs.wits.ac.za/~jjardine/salesman/

    Estatistica :: Download Source Code
    An estatisitc applet... Simulate a time distrbuition of a taxi in a city
    http://www.portadig.com.br/~fabioh/estatistica/resultado.html

    Stats 101 :: Download Source Code
    A collection of elementary statistics applets with a uniform interface. The applets include ANOVA, Student's t-Test, Least-squares regression, and Spearman's rank. The object-oriented nature of the Java language allows the applets to share major portions of code for simplified program design and efficient transfer over networks.
    http://intrepid.mcs.kent.edu/~blewis/stat/index.html

    Java Simulation Layer :: Download Source Code
    JSL is a package for simulations in Java. It provides an API set consistent with Simula 67. Reengineering existing programs and creating new simulations is easy using the advanced features of a modern language like Java.
    http://arena.sci.univr.it/~poltro/korretto

    Hull :: Download Source Code
    Hull reads a file containing a list of 3D points, constructs their convex hull, and writes it to an output file using the OFF file format. OFF files can be viewed using Geomview http://www.geom.umn.edu/software/download/geomview.html The algorithm used to construct the convex hull is an implementation of the point insertion algortithm given in Joseph O'Rourke's ``Computational Geometry in C''.
    http://www.cs.uwa.edu.au/~chrisp/exported/hull.tar.gz

    JSPlot :: Download Source Code
    JSPlot is a tool that combines JavaScript and a Java applet to allow the user to create interactive plots of JavaScript functions or read and plot data files from a server. Allows overlays for parameter studies. Log or linear scales. Works with IE4 or Netscape 4.
    http://www.west.net/~dhiggins/JSPlot

    FROG CELLS :: Download Source Code
    Animated two-dimensional Voronoi and Delaunay diagram. There're some tadpoles, swiming to and fro, surrounded with Voronoi and Delaunay diagram. In your clicking on the applet, another tadpole appears there. You can also drag each tadpole, meanwhile it disguises itself as a frog. The number of points(tadpoles) is shown below in digits.
    http://www.alles.or.jp/~mameo/kaeru/FrogCells.html

    Metamath Solitaire :: Download Source Code
    Essentially everything that is possible to know in mathematics can be derived from a handful of axioms known as "Zermelo-Fraenkel set theory," which is the culmination of years of effort to isolate the essential nature of mathematics and is one of the most impressive achievements of humankind. Metamath Solitaire is an educational applet with a point-and-click interface that lets you play with these axioms to prove simple theorems, giving you a glimpse at how ultimately all of mathematics can be derived.
    http://www.shore.net/~ndm/java/mm.html

    Planar Dynamics Simulator :: Download Source Code
    Interactive Planar Map Iterator, Dif.Eq Solver/Plotter and Poincare Map Iterator. Written for a non-linear dynamics course @ UMC. Allows any planar maps (autonomous and non-autonomous), multiple windows etc
    http://www.wcmo.edu/users/sergei/maps/iterator.shtml

    Win a Car :: Download Source Code
    A game on probability: The show master presents 3 doors to the candidate: "Behind one of these doors there is a car you can win. Behind the others there are goats. What is your choice ? " The candidate makes his choice and the show master opens one of the two doors remaining - with a goat behind. "Do you still go for the same door or do you want to revise your choice ?"
    http://www.mgw.dinet.de/physik/Quiz/Ziegenproblem/Win_A_Car/win_a_car.html

    The Game of Chaos :: Download Source Code
    Java applet that poduces the Sierpinski triangle by shooting dice
    http://www.mgw.dinet.de/physik/ChaosSpiel/Spiel1English.html

    Filmer :: Download Source Code
    Program which uses Fractint to create amazing fractal animation. Featues graphical interface with film previews, status display and smart pallete generation. Source code and old DOS version are available.
    http://www.julianhaight.com/filmer.shtml

    Life :: Download Source Code
    A Life simulator with user-adjustable rules for studying 2-dimensional automata
    http://www.geocities.com/SoHo/Cafe/9247/life.html

    Coupon Collector :: Download Source Code
    Coupon Collector simulates coupon collection, the birthday problem, and the double dixie cup problem.
    http://www.middlebury.edu/~danielm/summer

    lundin.SymbolicMath package :: Download Source Code
    Symbolic math package, contains classes for differentiation and evaluation of mathematical expressions. Sourcecode and example applets included.
    http://www.javathings.com/mathpackage.html

    Java Ultimate Math Package :: Download Source Code
    The Java Ultimate Math Package is a 100% Java library that offers a base for numeric data types with arbitrary precision. Interfaces are provided for real, rational and integer numbers. The current version provides with implementations for rational and integer numbers and a base for composite numbers. Use this library if you need bigger numbers than the long datatype offers, or if you need to work with rational numbers that can be bigger and more precise than the float and double datatypes.
    http://members.xoom.com/znerd/java/jump/

    Ultimate Mandelbrot Explorer :: Download Source Code
    This applet allows exploring the Mandelbrot set.
    http://www.geocities.com/CapeCanaveral/Hall/2368/mandelbrot/home.html

    GMJ :: Download Source Code
    GMJ deals with a set of mathematical problems - function minimization or system equilibrium determination. The best known application examples are Portfolio, Nash equilibrium and Duel.
    http://members.xoom.com/Monarchas

    CourseWare Derivatives Module :: Download Source Code
    A CourseWare lesson in derivatives. Support a number of basic science functions as-is (2nd and 3rd order polynomials, exponentials, logarithmic, etc.) and is easily extensible. Each function is parameterized, so the student can explore the effect of different values on the curve shapes. Stress is on the lesson that the slope = the derivative. Student can draw slopes on the plot.
    http://frog.biology.yale.edu/ginger/java/index.html

    Transformations :: Download Source Code
    A set of applets to teach rigid transformations (translations, reflections, rotations )
    http://www.utc.edu/~cpmawata/transformations/translations/

    Rigid Transformations :: Download Source Code
    A set of applets to teach rigid transformations (translations, reflections, rotations )
    http://www.utc.edu/~cpmawata/transformations/translations/

    Ptplot: Java xgraph plotter :: Download Source Code
    Ptplot is a set of Java classes that can be used as an applet or an application for graphing datasets. Ptplot reads binary or ASCII data, is autoranging, automatically or manually labels axes and tick marks. Ptplot can plot live, animated plots and provided zooming. Ptplot includes a Bourne shell script that can be used as a replacement for xgraph, the X11 graphing tool by David Harrison. Ptplot is freely available under the UC Berkeley Copyright.
    http://ptolemy.eecs.berkeley.edu/java/ptplot

    Random Walk (2D) :: Download Source Code
    A bounded random walk in two dimensions. In this simulation the boundaries of the plane are absorbing so when a random walk reaches one of the four borders on the plane it terminates and restarts from the center. For the duration of the entire simulation, the background displays how often each position in the plane was visited using a "hot" coloring (i.e., the hotter the color, the redder), the more that point was visited). As a learning tool, a 1D version is also available.
    http://www.cast.uni-linz.ac.at/st/staff/burge/java/Random_Walk_2D/random_walk_2d.html

    ManJulia :: Download Source Code
    This applet/application allows you to view the Mandelbrot and Julia sets, arguably the two most beautiful objects in mathematics. It was written with JDK 1.2, and uses the new Swing UI extensively. It's also an example of how to use threads and timers with Swing components.
    http://www.geocities.com/SiliconValley/Byte/2829/index.html

    The Integrator :: Download Source Code
    The Integorator allows you integrate a function using left endpoint approximation, right endpoint approximation, the Trapezoid Rule, Midpoint Rule, and Simpson's Rule.
    http://mav.net/troy/integrat.htm

    The Integral Approximator :: Download Source Code
    The Integral Approximator allows you integrate a function using left endpoint approximation, right endpoint approximation, the Trapezoid Rule, Midpoint Rule, and Simpson's Rule.
    http://mav.net/troy/integrat.htm



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