After The Fact Payroll Program
Wrapper classes for the commandline 'dialog' program to allow easier user interaction for commandline PHP scripts. Hopefully other dialog programs (xdialog, zenity etc.) will be supported in the future.
Platforms: PHP
License: Freeware | Size: 808.96 KB | Download (46): Dialog for PHP Download |
ALLBenchmark Catzilla - computer performance tests and recommendations. The test can analyze your computer performance to see if your computer is suitable for latest games or watching HD movies in best quality. Tests are focused to check all computer components simultaneously. After the test, you...
Platforms: Windows, Windows 7
License: Shareware | Cost: $3.99 USD | Size: 499.28 MB | Download (54): ALLBenchmark Catzilla Download |
The STP SecondVirialCoefficient program numerically evaluates the second virial coefficient for the Lennard-Jones potential at various temperatures. The default is temperature range is 0.5 to 5. STP SecondVirialCoefficient is part of a suite of Open Source Physics programs that model aspects of...
Platforms: Mac
License: Freeware | Size: 776.19 KB | Download (35): Second Virial Coefficient Download |
The QM Probability program displays the time evolution of the position-space wave function and the associated probability density. The default wave function is the n = 5 state in a ramped infinite square well. Additional states and other potential energy functions can be specified using the...
Platforms: Mac
License: Freeware | Size: 51.2 KB | Download (40): QM Probability Download |
The Optics Interference program simulates a ripple tank by showing the intensity of waves produced by a point source. Adding multiple point sources creates easily observable interference patterns showing constructive and destructive interference. Users can add point sources, move them around, and...
Platforms: Mac
License: Freeware | Size: 61.44 KB | Download (35): Optics Interference: Ripple Tank Download |
The QM Wigner program displays the time evolution of the position-space wave function and the associated quasi-probability distribution in phase space via the Wigner function. The default wave function is a Gaussian wave packet in a harmonic oscillator. Additional states and other potential...
Platforms: Mac
License: Freeware | Size: 776.19 KB | Download (37): QM Wigner Download |
The STP LJ2DMetropolis program is a Monte Carlo simulation of Lennard-Jones particles in two dimensions in contact with a heat bath. The default initial condition is a rectangular configuration of N=64 particles in a box of length L = 18 and a temperature T= 1. STP LJ2DMetropolis is part of a...
Platforms: Mac
License: Freeware | Size: 40.96 KB | Download (44): Lennard-Jones 2D Metropolis Download |
The QM Measurement program displays the time evolution of the position-space wave function and can be used to simulate the quantum-mechanical measurements of energy, position, and/or momentum. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the qm_measurement.jar file...
Platforms: Mac
License: Freeware | Size: 716.8 KB | Download (40): QM Measurement Download |
The STP EinsteinSolidHeatBath program simulates the exchange of energy between an Einstein solid and a heat bath. The purpose of this simulation is to determine the properties of a Einstein solid at different temperature T and to compare our results with analytical calculations of the...
Platforms: Mac
License: Freeware | Size: 901.12 KB | Download (39): Einstein Solid Heat Bath Download |
The STP 1DIsing program is a Monte Carlo simulation of a one-dimensional Ising model in equilibrium with a heat bath at temperature T using the Metropolis algorithm. The default is N=64 spins up (s = 1) with no external field with heat bath temperature T=1. STP Ising1D is part of a suite of Open...
Platforms: Mac
License: Freeware | Size: 908.29 KB | Download (37): Ising 1D Download |
The QM Spins program simulates the quantum-mechanical measurement of spin-1/2 and spin-1 particles. The default simulation shows the result of measuring the z component of spin on a beam of spin-1/2 particles with a random (or statistical) mixture of spin orientations. Additional initial states...
Platforms: Mac
License: Freeware | Size: 487.42 KB | Download (35): QM Spins Download |
The EM Radiation program displays the electric field vectors (in the x-y plane) and magnetic field contours (for the field in the z direction) calculated from the Lienard-Wiechert potentials for a charged particle. The default scenario shows the resulting radiation from a charged particle in...
Platforms: Mac
License: Freeware | Size: 621.57 KB | Download (34): EM Radiation Download |
The GR Embedding program displays a representation of the curvature of space near a massive object. GR Embedding is part of a suite of Open Source Physics programs that model aspects of General Relativity. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the...
Platforms: Mac
License: Freeware | Size: 51.2 KB | Download (34): GR Embedding Download |
The GR Classical program simulates orbits of objects around a central mass using Newtonian mechanics. It also displays a plot of the effective potential well in which the orbiting particle resides. GR Classical is part of a suite of Open Source Physics programs that model aspects of General...
Platforms: Mac
License: Freeware | Size: 61.44 KB | Download (35): GR Classical Download |
The STP EinsteinSolids program displays the energy distribution of an Einstein solid in thermal contact with another Einstein solid. The purpose of this program is to explore the distribution of energy between two systems in thermal contact. The default state is two Einstein solids, system A and...
Platforms: Mac
License: Freeware | Size: 102.4 KB | Download (36): Einstein Solids Download |
The STP IdealBoseGasIntegral program numerically determines the value of the chemical potential of an ideal Bose gas for a given temperature and density. STP IdealBoseGasIntegral is part of a suite of Open Source Physics programs that model aspects of Statistical and Thermal Physics (STP). The...
Platforms: Mac
License: Freeware | Size: 471.04 KB | Download (42): Ideal Bose Gas Integral Download |
The STP IsingMeanFieldSolution program uses Newton's method to calculate solutions to the mean-field approximation to the equation of state of the Ising model. The program also displays the free energy as a function of the magnetization m for given values of T and the magnetic field H. The...
Platforms: Mac
License: Freeware | Size: 484.35 KB | Download (39): Ising Mean-Field Solution Download |
The STP IdealGasNumberOfStates program numerically evaluates the number of states of an ideal gas and demonstrates finite size effects by plotting the actual number of states and the asymptotic expression. The default is two-dimensional system (d=2). STP IdealGasNumberOfStates is part of a suite...
Platforms: Mac
License: Freeware | Size: 462.85 KB | Download (38): Ideal Gas Number Of States Download |
The STP IdealQuantumGas program is a simulation of an ideal quantum gas in equilibrium with a heat bath. The program computes the density of states, particle distribution function, and energy occupancy diagram. The default system is a three-dimensional ideal Fermi gas of N=100 particles at...
Platforms: Mac
License: Freeware | Size: 604.16 KB | Download (34): Ideal Quantum Gas Download |
The STP IdealFermiGasIntegral program numerically determines the value of the chemical potential of an ideal Fermi gas for a given temperature and density. STP IdealFermiGasIntegral is part of a suite of Open Source Physics programs that model aspects of Statistical and Thermal Physics (STP)....
Platforms: Mac
License: Freeware | Size: 476.16 KB | Download (36): Ideal Fermi Gas Integral Download |