Orbit Xplorer
Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Input mass, radius, coordinates and velocity components of 2 to 10 bodies manually or by dragging and dropping predefined bodies. Then watch how the orbits evolve under the mutual... View time, distances, speeds, accelerations, energies and acceleration vectors as they change. ... Adjust the simulation speed to fit your computer. ... Zoom and change parameters during the simulation.
http://www.ottisoft.com/orbitx20.exe - 3Mb - Download - Screenshot

ESBUnitConv - Freeware Unit Conversion
User friendly FREE Windows Utility to easily convert between 510 units of measurement in 20 categories. Includes Units for Temperature, Distance, Mass, Area, Volume, Pressure, Velocity, Acceleration, Force, Energy, Power, Fuel Consumption, Flow, Torque, Illumination, Luminous Intensity, Angles,... Users can now choose between English International (Default) and English (US). ... Includes Windows XP Support. ... Looks best in 16-bit or better Colour.
http://www.esbconsult.com/esbunitconv.zip - 814Kb - Download - Screenshot

ESBUnitConv Pro - Unit Conversion
ESBUnitConv Pro is Unit Conversion Software for Windows to easily convert between 610 units in 27 different measurement categories. Includes Units for Temperature, Distance, Mass, Area, Volume, Pressure, Velocity, Acceleration, Force, Energy, Power, Fuel Consumption, Flow, Torque, Angles, Time,... Registered version also includes Electronic Documentation and PDF designed to produce Printed Documentation. ... Register only once for the life of the product. ... Optimized for Windows XP in 800x600 (or better) and 32-bit colour.
http://www.esbconsult.com/esbunitconvpro.zip - 1Mb - Download - Screenshot

Physics Virtual Laboratory, PVL
An Intuitively Easy-To-Use collection of -at least- 113 interactive Physics simulation modules that allow the user to simulate and visualize Physics experiments. Useful from High School to University. PVL may be used (1) during classes, to support the teacher's explanation and to make classes... In a conventional (traditional) Physics laboratory it is impossible to execute experiments with extreme parameters, for instance it is impossible to shot a gun, because it is dangerous, it is impossible to make changes in the acceleration of gravity, it is not possible to carry out experiments in...
http://shareit1.element5.com/progr...productid=152786&language=English - 4Mb - Download - Screenshot

WinConverter
WinConverter is a rather straightforward application designs to provide as simple an interface as possible for performing unit conversion. WinConverter 2. 1 is pre-configured to convert 1400 units in 76 categories. If you find WinConverter is missing a unit you need, it's very easy to add custom... Acceleration - Linear, Area, Data Storage, Data Transfer, Energy, Flow, Force, Numbers, Power, Pressure, Temperature, Velocity, Acceleration - Angular, Angle, Calorific Value, Concentration - Liquid Solution, Concentration - Molar, Density, Digital Image Resolution, Entropy, EU Currency, Flow -...
http://www.winconverter.com/wcon.exe - 874Kb - Download - Screenshot

Alcyone Ephemeris
Alcyone Ephemeris is an accurate and fast astronomial ephemeris calculator covering the period 3000 BC to AD 3500. It calculates heliocentric, geocentric, and topocentric positions of the Sun (Earth), Moon, and planets in ecliptical, equatorial, and horizontal coordinates, with optional... In addition Alcyone Ephemeris offers a wealth of functionality: plotting ephemeris data, searching for specific values, scripting to write programs for more complex computations, saving in the as HTML files to export output to spreadsheets, word processors and web pages, and printing.
http://www.alcyone-ephemeris.info/ae10.exe - 8Mb - Download - Screenshot

Unit Converter Pro
Unit Converter Pro is a handy utility for students, teachers, and practitioners in engineering, physics, sciences, and technical subjects. It can quickly convert more than 1400 different units in 76 categories. It contains the most important conversion factors for length, area, volume, mass,... Acceleration - Linear, Area, Data Storage, Data Transfer, Energy, Flow, Force, Numbers, Power, Pressure, Temperature, Velocity, Acceleration - Angular, Angle, Calorific Value, Concentration - Liquid Solution, Concentration - Molar, Density, Digital Image Resolution, Entropy, EU Currency, Flow -...
http://www.unitconverterpro.com/ucpro.exe - 874Kb - Download - Screenshot

Oscillations
Oscillations (a. k. a. Visual Oscillations) is a Virtual Laboratory of Waves, Oscillations, Harmonic Motion and related themes. An Intuitively Easy-To-Use collection of -at least- 21 interactive simulation modules that allow the user to simulate and visualize experiments. ... In a conventional (traditional) Physics laboratory it is impossible to execute experiments with extreme parameters, for instance it is impossible to shot a gun, because it is dangerous, it is impossible to make changes in the acceleration of gravity, it is not possible to carry out experiments in "Slow Motion" or to...
http://shareit1.element5.com/progr...productid=149495&language=English - 1Mb - Download - Screenshot

Electromagnetics
Electromagnetics (a. k. a. Visual Electromagnetics) is a Virtual Laboratory of Electricity, Magnetism and applications. An Intuitively Easy-To-Use collection of -at least- 19 interactive simulation modules that allow the user to simulate and visualize experiments. ... In a conventional (traditional) Physics laboratory it is impossible to execute experiments with extreme parameters, for instance it is impossible to shot a gun, because it is dangerous, it is impossible to make changes in the acceleration of gravity, it is not possible to carry out experiments in "Slow Motion" or to settle a...
http://shareit1.element5.com/produ...tml?productid=150926&languageid=1 - 1Mb - Download - Screenshot

Mechanics
Mechanics (a. k. a. Visual Mechanics) is a Virtual Laboratory of Mechanics. An Intuitively Easy-To-Use collection of -at least- 51 interactive Mechanics simulation modules that allow the user to simulate and visualize experiments. A Virtual Laboratory mainly a t the University level, however,... In a conventional (traditional) Physics laboratory it is impossible to execute experiments with extreme parameters, for instance it is impossible to shot a gun, because it is dangerous, it is impossible to make changes in the acceleration of gravity, it is not possible to carry out experiments in...
http://shareit1.element5.com/progr...productid=167120&language=English - 2Mb - Download - Screenshot