51)   Electrochemical Cells Pro 2.2
Design batteries or learn about oxidation and reduction by building cells. Drag-and-drop electrodes from the Electrode Selector or randomly generate one. Alter cell properties such as temperature, pH, concentration and pressure and see its effect.
License:Shareware, 75 to buy Size: 1151KB

 52)   Solution Solver 2.0
Solution Solver 2.0 is a program designed for chemists, biologists and other scientific professionals.
License:Demo, 30 to buy Size: 1953KB

 53)   Atoms, Symbols and Equations 4.0
Unique interactive multimedia Chemistry teaching software that tests students as they learn. Topics include: elements, atoms and molecules, word equations, chemical symbols, Periodic Table, chemical formulas, balancing chemical equations.
License:Shareware, 24 to buy Size: 696KB

 54)   Resistor Values 2.1
Resistor Values is an electrical engineering program that will calculate the value of a 4 band resistor.
License:Shareware, 9.95 to buy Size: 686KB

 55)   Alcyone Ephemeris 1.0.1
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.
License:Freeware, 0 to buy Size: 8055KB

 56)   Earth Explorer DEM 3.01
Earth Explorer DEM integrates high resolution shaded relief topographic imagery (built from 1km resolution digital elevation model) and several kinds of map information into a fantastic 3D earth globe.
License:Shareware, 39.95 to buy Size: 6270KB

 57)   FChart - Flow Chart Programming 3.00
Flow Chart Visual Programming Language allows to run basic algorithms in a visual way. All you have to do is to place program blocks on screen, connect them with arrows and run. You can also run it in step by step mode (when delay=P).
License:Freeware, 0 to buy Size: 2.15 MB

 58)   Making Waves 1.0b2
Making Waves is an interactive physics package that helps students visualize and understand the motion and interference of transverse and longitudinal waves.
License:Commercial, 24.00 to buy Size: 1114KB

 59)   WordNet-Online dictionary 2.0.1.2
WordNet-Online free dictionary and hierarchical thesaurus of English. Very easy to use! Definitions, synonyms, antonyms, hypernyms, hyponyms, meronyms, holonyms, derived forms and sample sentences.
License:Freeware, 0 to buy Size: 468KB

 60)   Element Gorilla Plus 1.5
* Drills up to 118 Chemical Elements and Symbols * Choose atoms individually or by groups * 3 different question types * American, English or Custom spelling * Capable of changing the symbols for newly named elements
License:Shareware, 10 to buy Size: 637KB

 61)   Temperature Conversion Solution 1.01
Temperature Coversion Solution, convert Farenhiet, Celcius, Wind Chill and Heat Index
License:Freeware, 0 to buy Size: 34KB

 62)   EngCalc (Palm) - Engineering Calculator 1.2
340+ formulae catering to Mechanical Eng., Hydraulic Eng., Structural Eng., Machine Design, Electrical Eng., Fluid Mechanics, Thermodynamics, HVAC and more ...

 63)   Data Master 2003 11.7.0.240
Programmable scientific and technical graphics optimized for automation of test and measurement systems and numerical data analysis. Provides extensible set of editing and calculation features and includes ActiveX-compatible scripting environment.
License:Freeware, to buy Size: 4659KB

 64)   PhysProf 1.0
PhysProf is an easy to use physics program within approximately 70 subroutines. Through the use of two dimensional graphics and animations, PhysProf can display physical correlations in a very clear and simple way.
License:Shareware, 45.00 to buy Size: 12375KB

 65)   Audio Multi-Tone Generator 5.03
Eight-channel multi-tone audio frequency sinusoidal & noise signal generator is intended for adjusting and measuring parameters of audio equipment.
License:Shareware, 299.00 to buy Size: 414KB

 66)   Nanotechnology Patent Index Database 1.001
Database of nanotechnology Patent Index, 2000-2005. Tested with materials scientists and technical librarians, this product is essentially one common database which combines the entire patent publication history for this period.
License:Shareware, 399.00 to buy Size: 23031KB

 67)   Coeli - Stella 2000 6.0.3.1
Complete astronomy software suite exploring realistic skies in real time, with observing log, Live Orbits, Sky Quiz, spoken guidance, A-Z encyclopedia, and a concentrated search embracing planets, comets, asteroids, DSOs, and 300,000 stars.
License:Shareware, 49 to buy Size: 4232KB

 68)   xyExtract Graph Digitizer 2.4
The "xyExtract" software is used for to extract data from a 2D graph (orthogonal and nonorthogonal axes) contained in a graphic file (scanned, PDF document or in a some file like gif, jpg, etc). The graphic file must be saved in a bitmap file.
License:Shareware, 25 to buy Size: 452KB

 69)   Gravit 0.4.2
Gravit is a gravity simulator which runs under Linux, Windows and Mac OS X. It uses Newtonian physics. Although the main goal of Gravit is to be as accurate as possible, it also creates beautiful looking gravity patterns.
License:Freeware, 0 to buy Size: 830KB

 70)   Unit Conversion Tool 5.0
Unit conversion tool can convert about 250 various types of measurement units from one system of measure to another. It can convert Length, Weight, Volume, Area, Density, Power, Time, Count and other units.
License:Shareware, 15 to buy Size: 919KB

 71)   PakMed PakPsych 72 1.0.0
PakMed Psych 72 is a psychological/psychiatric software for Microsoft Office Access, based on the DASS that is a set of three self-report scales designed to measure the negative emotional states of depression, anxiety and stress.
License:Demo, 20 to buy Size: 292KB

 72)   Uconeer 2.4
Freeware. 397 units in 46 categories. Includes engineering specific categories like enthalpy, heat capacity, heat transfer coefficient, torque and viscosity. Work with feet and inches. Formatting and clipboard features. Excludes archaic units.
License:Freeware, 0 to buy Size: 507KB

 73)   FullRecall 1.1.15
A cross-platform flashcard-like program that uses artificial neural network for scheduling optimal repetitions.
License:Shareware, 19 to buy Size: 0.43 MB

 74)   FEAview 1.8
FEAView is a finite element modeler and post-processor for structures problems using MSC. Nastran. It supports all the elements, properties, materials, and loads commonly used in linear static problems.
License:Shareware, 95 to buy Size: 12944KB

 75)   Gravitational Lensing 1.00
With this program, one can draw images to see the effect of gravitational lensing. You can easily test the effects of several parameters by changing them and redrawing the image.
License:Freeware, 0 to buy Size: 74KB