In A Progressive Tax Structure

The Ejs Standing Waves in a Pipe model displays the displacement and pressure waves for a standing wave in a pipe. The pipe can be closed on both ends, on one end, or open on both ends. The number of nodes in the standing waves can be changed via a slider. You can modify this simulation if you...

Learn about the physics of resistance in a wire. Change its resistivity, length, and area to see how they affect the wire's resistance. The sizes of the symbols in the equation change along with the diagram of a wire.

The Ball in a Wedge model displays a ball confined to move between two walls that form a wedge shape. The ball undergoes elastic collisions with the walls of the wedge. The angle of the wedge can be changed by setting the angle with the text box or dragging one of the wedge walls. By clicking in...


Platforms: Mac

Wiki in a Jar is a small (one jar file, Why? To reveal the power of plain text. Plain text files can be opened with almost any editor and by keeping the markup simple it is very easy to transform the content to any other desired format even after years, when the original editor is not available...


Platforms: Mac

Hubble in a bottle! is a scientific visualization tool for TIPSY files with plenty of optimizations (3dnow for AMD and SSE for Intel processors) and the ability to run on large supercomputer clusters using the MPI library. The model can be rotated intuitively using quaternions and in real time...


Platforms: *nix

File by OCR automatically names files and places them in a file folder structure based on the document's OCR text contents. It can extract text from a searchable PDF and name and file it, or it can extract the OCR text and build a csv file. File by OCR uses Optical Character Recognition on the...


Platforms: Windows

Quite some movie night has been ended abruptly or at least interrupted by a message like this which may not be surprising since software players usually inform you that a problem has occurred, but not about why it occurred or how it could be solved. This is where the SuperEasy Codec Checker...


Platforms: Windows

Memo Book is a personal information manager (PIM) to store text documents with attached files in a flexible tree structure. A part or the whole tree structure can be exported to a new MemoBook-file, HTML-files, MS Compiled HTML (*.chm) or to Portable-File-Format (PDF). All documents and...


Platforms: Windows

CodeConnect is an open server, client, and protocol enabling users to store useful "snippets" of code in a vault-like structure. The server is designed to allow user-management; administrators can assign vault-owners, each vault-owner may create sub-level vaults under which code items can be...


Platforms: *nix

The wolf has always been an animal that arouses suspicion in humans. Its howling and its solitary ways are usually scenes of fear, but the reality is that it is the origin of the domestic dog, and serious danger of extinction.In this illustration you can see the better side, one of epic and...


Platforms: Windows

savemultfigs allows one to save all opened figures using a nice user interface and in several formats in one time. No need to save all figures one-by-one anymore!The following features are available:- Select which figures to save in a click- Name each figure independently- Save the same figures...


Platforms: Matlab

This is a simple plugin which lets you know in words, roughly how long its been since a post was posted. Its based on the amount of time in seconds since the post was made.Simply use to display the date in your theme.The following messages are displayed according to how long its been since the...


Platforms: PHP

A Simple Game of Strategy for when you need a break. The aim of the game is to get 4 of your piece in a row before the computer does but that is sometimes easier said then done.


Platforms: Windows

Atom in a Box is an application that aids in visualizing the Hydrogenic atomic orbitals, a prime and otherwise unwieldy example of quantum mechanics. Unlike other tools in this category, this program raytraces through a three-dimensional cloud density that represents the wavefunction's...


Platforms: Mac

Newton number (also called the drag coefficient) and Archimedes number are plotted versus the Reynolds number for the laminar, transition and turbulent flow types using a log-log scale. A numerical example of the terminal fall velocity computation of a single spherical particle in a Newtonian...


Platforms: JavaScript

LU Decomposition is applied to a sparse banded matrix. We show how fill-ins can make solution by elimination not manageable. The same matrix is used to solve the Poiseuille flow problem in a rectangular channel using the finite differences approach. The result obtained using this numerical...


Platforms: Matlab

consider a 2D photonic crystal consisting of cylinders with circular cross-section and infinite height, arranged in a triangular lattice;this program calculates and plots the spatial distributions in the unit cell (E&H) of eigenmodes allowed at a given frequency ; 'omega'is taken as input;...


Platforms: Matlab

How can children learn a foreign language within half a year? And why does a regular person spend years of difficult studies on the same task? It's all because of a certain skill that children aren???*a*?t aware of, and adults have forgotten. We all speak in our native language, perfectly....


Platforms: Mac

You are off to the Idletown fun fair. Aunt Emma&aposs Blobshop is a fun game at the fair where you can throw paint filled balls at the wall and if you create a beautiful blob you can win a prize. But, while she was asleep her little helpers Rollo and Blipo decided to create their own game....

Aba Daba is modern implementation of the ancient logical game Gomoku, also known as 5 in a row or Noughts and Crosses. Major game features:Powerful artificial intelligence,Attractive music,Nice sounds,Different skins,Different skill levels,Different board sizes,Multilingual support,Unusual...


Platforms: Windows