 DataFit -- 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....
 DreamCalc Graphing Calculator -- DreamCalc is the smarter alternative to a hand-held Graphing Calculator for your PC or laptop! You'll get the intuitive feel and productivity of using a professional hand-held, but one which adapts to your way of working. Select from Reverse Polish Notation or two styles of algebraic input, and with the optional ability to run in your Windows system tray--DreamCalc will always be there whenever you need to reach for a calculator....
 EasyFit -- Allows to easily and quickly select the probability distribution which best fits to data, reducing your analysis times and helping you make better decisions. Provides an integrated environment including data management, analysis, and reporting capabilities which make your work even more efficient. Supports over 40 probability distributions, goodness of fit tests, and high-quality graphs....
 FC-Win -- FC-Win (tm) is a front-end program for Fortran Calculus (tm). The Fortran Calculus (FC) language is for math
modeling, simulation, and optimization. FC is based on Automatic Differentiation (AD) that simplifies computer code to an absolute minimum; i.e., a mathematical model, constraints, and the objective (function) definition. Minimizing the amount of code allows the user to concentrate on the science or engineering problem at hand....
 Flow Pro -- Visually design open-channel waterways, culverts, irrigation channels, sluiceways, and flumes.
Flow Pro saves you a lot of time and money by letting you quickly compare hydraulic design alternatives and export the results to Word or Excel. Impress your boss and colleagues with fast turn-around time on your designs, and easily present multiple alternatives for a given problem....
 HVAC tool:Psychrometer + Duct calculator -- Psychrometer chart:
Range can be changed, Mouse move point calculation;
Calculate once recycle and twice recycle air flow, summer and winter state,
process line shown in chart, press UpDown button to see process changing;
Export wmf format file, can be opened and printed by image browser as ACDSee, IE, smoothly zoomed.
Duct calculator:
Air and liquid duct;
Calculate duct flow resistance, environmental heat exchange, and adiabatic...
 LITIO - 3D Sheet metal unfolding software -- LITIO is a sheet metal program that calculates flat (unfolded) sheet metal developments of ducts, rectangle to round transitions, cylinders, cones, pipe intersections, connections, bifurcations, elbows, etc.
For HVAC, hoppers, cyclones, dust extraction, ducts, conveying systems, silos, piping, etc.
To draw your sheet metal developments directly in AutoCAD R2000 and later (no need of DXF convertions)....
 MITCalc - Profiles Calculation -- The calculation solves area characteristics of profiles created in a simple graphic editor and mass characteristics of solids created by extrusion or rotation of the profile. Area characteristic are solved for main and turned axis and also all graphs are available as well. Application is developed in MS Excel, is multi-language and supports Imperial and Metric units....
 NeuroSolutions -- NeuroSolutions is a highly graphical neural network development tool for Windows. This leading edge software combines a modular, icon-based network design interface with an implementation of advanced learning procedures, such as recurrent backpropagation, backpropagation through time and genetic optimization. The result is a virtually unconstrained environment for designing neural networks for research or to solve real-world problems....
 Numap7 -- Freeware for fast training, validation, and application of regression/approximation networks including the multilayer perceptron, functional link network, piecewise linear network, self organizing map and K-Means. C source for applying trained networks. Extensive help, utilities for pre-processing and handling of training data are also provided. User-supplied txt-format training data files, containing rows of numbers, can be of any size....
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