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Tweak windows security settings, limit user PC time, restrict access to Internet.

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Last release: 2019-04-25
Version: 6.210
Price: $0
License: Freeware

Supported OS: Win2000, WinXP, Win7 x32, Win7 x64, Windows 8, Windows 10, WinServer, WinOther, WinVista

Windows 7 compatible: Yes

CurvFit (tm) is a curve fitting program for Windows. Lorentzian, Sine, Exponential and Power series are available models to match your data. A Lorentzian series is highly recommended for real data especially for multiple peaked and/or valleys data.

CurvFit is another improved productivity example do to using Calculus (level) programming ... ie. minutes to solve, days or years to understand solution and what it implies (e.g. wrong model, sampling rate error, etc.). Helps learn 1) whether math model is good for given data; 2) convergence implies a reasonable solution; 3) how to select new starting initial parameter values. See comments in EX*.? files for ideas on how to converge via solvers. Interpolation, extrapolation, & Hardcopy Plot options are now available.

Industry problems with solutions over the past twenty plus years have been put into a textbook to show the power of Calculus (level) Problem-Solving. The textbook is on our website at The software architect behind Calculus Compilers was Joe Thames.

Help future science & engineers get jobs upon graduation. With usage of FortranCalculus compiler, one increases their productivity by a factor of twenty!

Free download CurvFit Order CurvFit

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Modeling software to simulate the chemical kinetics and equilibrium of combustion (isobaric/isochoric), nuclear, catalyst reactor (CSTR) and enzyme reactions. Software can also fit/regress any parameters against chemical data with confidence bands/uncertainty analysis. Can also output normalized sensitivity analysis matrices and compute cluster & metabolic control analysis.

Last release: 2019-02-17
Version: 6.80
Price: $645
License: Shareware
Windows 7 compatible: Yes
ndCurveMaster for mac OS

ndCurveMaster was designed to find optimum equations to describe empirical data using a regression method. ndCurveMaster is the first and only program to find the ideal equation to allows the auto fitting of an unlimited number of input variables, for example: y= a0 + a1*x1^(-11) + a2*x3 + a3*x5^3 + a4*[ln(x8)]^3 + a5*[exp(x1*x4)]^(-2) + a6*x1*x8^2 + a7*ln(x2*x6) + a8*x2*x3*x4. ndCurveMaster uses heuristic techniques for curve fitting.

Last release: 2017-04-24
Version: 1.2.2
Price: $49
License: Shareware
Windows 7 compatible: unknown

CurveFitter performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions. The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called curve fitting.

Last release: 2015-01-02
Version: 4.5.10
Price: $15
License: Shareware
Windows 7 compatible: Yes
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