is an interactive tutorial that provides an introduction to basic electronics. It presents some material and then tests your understanding with a fill-in-the-blank question before you can progress through the lesson....
License Type : Freeware     Download Size:2 MB

is a Computer Numerical Control (CNC) programming utility for lathes. Lathe Quick Code can help programmers create gcode quickly without using any calculations. The programmer generates the code then cuts and pastes it to an CNC editor. Lathe Qu...
License Type : Time-limited Trial     Download Size:333 KB

is a program designed to calculate the depth and section modulus of cantilever sheet piling systems. The program uses common or simplified methods of analysis. The program allows up to two soil types and multiple water depths. Calculations are g...
License Type : 15-day Trial     Download Size:3 MB

is an engineering program that analyzes laminated composite plates according to classical laminated plate theory. The program computes apparent material properties, laminate matrices, and stress/strain/failure due to applied mechanical, thermal,...
License Type : Shareware     Download Size:333 KB

allows you to view a representation of a chemical reaction at the molecular level. You can also control the temperature and the presence of a catalyst. Graphs can be displayed as well to determine the order of the decomposition.You can click on ...
License Type : Shareware     Download Size:108 KB

consists of a collection of relational database applications that can be used as a complete chemical management system or as stand-alone support modules. The program's modules can assist you in the areas of chemical inventory, waste tracking...
License Type : Shareware     Download Size:7 MB

is an experiment simulation program for high-school physics teachers and students. Jslsoft Physics Lab provides an experiment environment which can include particles, springs, ropes, poles, tracks, electric and magnetic fields, gravitation, and ...
License Type : Demo     Download Size:1 MB

is an optics experiment simulation program for high-school physics teachers and students. Jslsoft Optics Lab provides an experiment environment which can include optic instruments, such as prisms, diverging and converging lenses, convex and conc...
License Type : Shareware     Download Size:665 KB

is an interactive editor-plotter for CNC programs. You can use Inplot to edit your programs and plot them on screen at the same time. You can display toolpaths, tools, parts of a drawing, and programs.Inplot allows you to step through a program,...
License Type : Demo     Download Size:4 MB

is simple AI (Artificial Intelligence) demonstration program where you attempt to have a conversation with your PC. IA allows you to ask it questions, as well as make statements on which it will comment. The program allows you to teach it new ve...
License Type : GNU Public License     Download Size:119 KB

performs calculations for fire sprinkler hydraulics. It performs calculations and creates graphs based on the NFPA codes using either U.S. or Metric units....
License Type : Demo     Download Size:750 KB

computes water surface profiles through culverts. It handles combinations of flow profiles, including GVF, supercritical flow, and hydraulic jumps. It has a variety of pre-defined culvert shapes. It supports open channel flow calculations or tai...
License Type : Shareware     Download Size:105 KB

allows you to compute and store hydrant flow test data. The program lets you display a spreadsheet for single or multiple hydrant diameters, coefficients, and pitot pressures. You can also process an unlimited number of flow test locations or ou...
License Type : Demo     Download Size:698 KB

enables you to design a central heating system. HEAT lets you compute the heat losses and gains through all surfaces of every defined room, and display the rating of any needed radiators. It also displays the minimum boiler rating needed to supp...
License Type : Shareware     Download Size:3 MB

is a command-line software package which contains HaBala: a harmonic balance circuit simulator, as well as a SPICE-to-HaBala translator, and several utilities. HbFree lets you simulate radio-frequency (RF) and microwave (MW) analog, non-autonomo...
License Type : Freeware     Download Size:456 KB

helps radio amateurs and shortwave listeners to benefit from "grayline propagation", a virtual line which divides the earth into the day and the night side. When one radio station is in the dusk and the opposite station is in the dawn,...
License Type : Freeware     Download Size:39 KB

is a finite element analysis program for modelling civil and mechanical structures. Grape allows you to use standard third order beam and truss elements to model a wide range of Civil and Mechanical structures. The graphical user interface is po...
License Type : Shareware     Download Size:4 MB

lets you control a simulated rocket launch. The goal of the simulation is to steer a rocket into a stable orbit and then return to Earth. You decide on the trajectory for ascent, how much thrust to use, when to jettison boosters, and much more. ...
License Type : Freeware     Download Size:5 MB

allows you to see a graphical representation of molecular motion of gazes and how changing pressure, temperature, volume, and moles can affect that motion. The automatic portion of the program takes you through a step by step process where param...
License Type : Shareware     Download Size:105 KB

allows you to compute the freespace range of radio links. The program can be useful for radio amateurs (HAM), radio engineers, and SETI signal estimations. It also calulates parabolic dish antenna gains. Freespace supports the following units: 5...
License Type : Freeware     Download Size:122 KB

is an interactive program for practicing chemical symbols and formulas. You can choose to practice either Symbols (names to symbols, or symbols to names) or Formulas (names to formulas, or formulas to names). The computer randomly displays chemi...
License Type : Shareware     Download Size:347 KB

is a classical physics virtual lab, which lets you set up systems of particles and watch them interact. Each particle can be assigned a mass, charge and radius. Force will then calculate the paths of the particles and animate them accordingly. T...
License Type : Shareware     Download Size:159 KB

allows you to generate soil bearing pressure and design the footing. You simply enter the footing dimensions; the allowable soil bearing pressure; the column location, loads and moments; as well as other optional criteria. The design can illustr...
License Type : Shareware     Download Size:431 KB

Visually design open-channel waterways, culverts, irrigation channels, sluiceways, and flumes. Quickly plot water surpace profiles and export the results to Word or Excel. Visually design open-channel waterways, culverts, irrigation channels, sl...
License Type : Shareware     Download Size:406 KB

is CAD software that allows you to create 3D models of objects. FEM3D lets you create models that can then be analyzed for various loading conditions. Stress Analysis is carried out using the "Finite Element Method" and a colored plot ...
License Type : Freeware     Download Size:33 KB