DataFit is a tool used to perform nonlinear regression (curve fitting), statistical analysis & data plotting. Fit equations with up to 100 parameters to data with up to 20 independent variables. Define your own equations or choose from over 600 pre-defined equations. Results include customizable 2D/3D plots, as well as detailed fit information. Export code in BASIC or C to use an equation in a user written program. Easy to learn and use.
Electrical Motor Control Circuits
Troubleshooting Electric Motor Control Circuits - wiring fault simulation
Turbine
Calculate turbine steam consumption and exhaust steam conditions. Built-in steam properties. Wide variety of units of measure included.
Uconeer
Freeware. 390 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.
SimWiz
SimWiz (Simulation Wizard) is a computer program for defining, validating, communicating and running a discrete event simulation model. Thanks to its approach (US patent pending), its use and its output are as simple as those of a word processor.
SLS (Sanitary Lift Station)
Engineers Design pump stations Calc Max-Min Sys Head Curves&plot w/pump curves..