 Visual Fitting  2.3.0  Visual Fitting is a math tool to implement linear and nonlinear curve fitting, 3d surface fitting, 4d volume data fitting and graphing.
      More on Curve Fitting    DataFit is a tool used to perform nonlinear regression (curve fitting), statistical analysis and data plotting. What sets DataFit apart from similar curve fitting and regression programs is its ease of use. DataFit is driven by a welldesigned graphical interface, so there are no complicated instructions to remember and no programs to write. Data entry is achieved through a standard spreadsheet interface, which supports ASCII and ODBC data source import, as well as cutting and pasting data...  Size: 5.6 MB License: Shareware Price: $229 Keywords: Curve  Data  Estimation  Fitting  Math  Nonlinear  Parameter  Plotting  Regression  Science 


   FindGraph is a comprehensive graphing, curve fitting, and digitizing tool. FindGraph offers 12 generic fits, including linear regression, logistic functions, fourier approximation, rationals, neural networks, Bsplines and parametric curves least squares approximations, plus a library of over 300 industryspecific 2D formulas. FindGraph uses the Levenberg  Marquardt nonlinear algorithm and the Simplex algorithm to fit data. A builtin Wizard helps to apply different curve fits to discover...  Size: 4.3 MB License: Shareware Price: $100 Keywords: Approximation  Bspline  Chart  Curve  Dataanalysis  Digitizing  Drawing  Equation  Fitting  Functions 


   NLREG performs nonlinear regression and curve fitting. NLREG fits a mathematical function whose form you specify to a set of data values. Virtually any type of function can be fitted. NLREG includes a programming language similar to C that you use for describing the function to be fitted. Two dimensional line and three dimensional surface plots can be generated. The programming language includes a large selection of builtin library functions (sin, cos, log, exp, etc.) that makes it easy...  Size: 1.2 MB License: Shareware Price: $195 Keywords: Curve Fitting  Modeling  Nonlinear Regression  Regression  Surface Fitting 


   Powerful but easytouse graphing, curve fitting and calculating software. Graphs Cartesian (Y(x) and X(y)), polar and parametric functions, graphs of tables, equations (implicit functions), inequalities and slope fields. Up to 100 graphs in one window. Calculus features: regression analysis, obtaining zeroes and extrema of functions, intersections, derivatives, equations of tangents and normals, numerical integration, value tables, calculator. Lots of graph and coordinate plane parameters....  Size: 1.1 MB License: Shareware Price: $29.95 Keywords: Analysis  Calculating  Calculus  Curve  Derivative  Equation  Fitting  Function  Graph  Graphs 


   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)...  Size: 7.3 MB License: Freeware Keywords: Calculus Programming  Curve Fitting  Data Fitting  Equation Calculator  Exponential Series  Lorentzian Series  Math Modeling  Power Series  Sine Series 


   DataScene is a scientific graphing, graph animation, data analysis, curve fitting, and data monitoring program. It allows the user to easily plot 2D & 3D graphs (Area, Bar, Pie, Line, Surface, Ploar, and more), to manipulate, print, and export high quality graphs, to analyze data with various mathematical methods (fitting curves, calculating statics, FFT, and more), to create animated graphs for presentations, classes, and web pages, and to chart and process realtime data sources. * Plotting...  Size: 44.1 MB License: Shareware Price: $349 Keywords: Animated Graph  Curve Fitting  Data Analysis  Data Monitoring  Fft  Financial  Graph Animation  Linear Regression  Plotting  Scientific Graphing 


   CurveExpert Basic is a comprehensive curve fitting system for Windows. XY data can be modelled using a toolbox of linear regression models, nonlinear regression models, interpolation, or splines. Over 30 models are builtin, but custom regression models may also be defined by the user. Fullfeatured graphing capability allows thorough examination of the curve fit. The process of finding the best fit can be automated by letting CurveExpert compare your data to each model to choose...  Size: 1.1 MB License: Shareware Price: $45 Keywords: Curve  Curve Designer  Curve Fitting  Curve Fitting System  Curve Plotter  Designer 


   CurveExpert Professional is a crossplatform solution for curve fitting and data analysis. Data can be modelled using a toolbox of linear regression models, nonlinear regression models, smoothing methods, or various kinds of splines. Over 60 models are builtin, but custom regression models may also be defined by the user. Fullfeatured publicationquality graphing capability allows thorough examination of the curve fit. The process of finding the best fit can be automated by...  Size: 20.8 MB License: Shareware Price: $70 Keywords: Curve  Curve Fitting  Curve Graph  Data Analysis  Graph  Plot 



   OptiVec contains more than 3500 handoptimized, Assemblerwritten functions for all floatingpoint and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one and twodimensional. 4. Curve...  Size: 15.9 MB License: Shareware Price: $249 Keywords: Curve Fitting  Function  Inversion  Library  Linear Systems  Math  Matrix  Programming  Vector 


   OptiVec contains more than 3500 handoptimized, Assemblerwritten functions for all floatingpoint and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one and twodimensional. 4. Curve...  Size: 4.2 MB License: Demo Price: $249 Keywords: Curve Fitting  Function  Inversion  Library  Linear Systems  Math  Matrix  Programming  Vector 


   OptiVec contains more than 3500 handoptimized, Assemblerwritten functions for all floatingpoint and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, Cholesky, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one and twodimensional. 4....  Size: 131.6 MB License: Shareware Price: $249 Keywords: Analysis  Cholesky  Correlation  Curve Fitting  Decomposition  Fourier  Function  Inversion  Library  Linear Systems 


   OptiVec contains more than 3500 handoptimized, Assemblerwritten functions for all floatingpoint and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, Cholesky, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one and twodimensional. 4....  Size: 8.9 MB License: Shareware Price: $249 Keywords: Analysis  Cholesky  Correlation  Curve Fitting  Decomposition  Fourier  Function  Inversion  Library  Linear Systems 


   OptiVec contains more than 3500 handoptimized, Assemblerwritten functions for all floatingpoint and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one and twodimensional. 4. Curve...  Size: 6.7 MB License: Shareware Price: $249 Keywords: Curve Fitting  Function  Inversion  Library  Linear Systems  Math  Matrix  Programming  Vector 


   OptiVec contains more than 3500 handoptimized, Assemblerwritten functions for all floatingpoint and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, Cholesky, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one and twodimensional. 4....  Size: 14.8 MB License: Shareware Price: $249 Keywords: Analysis  Cholesky  Correlation  Curve Fitting  Decomposition  Fourier  Function  Inversion  Library  Linear Systems 


   DataFitting is a powerful statistical analysis program that performs linear and nonlinear regression analysis (i.e. curve fitting). DataFitting determines the values of parameters for an equation, whose form you specify, that cause the equation to best fit a set of data values. DataFitting can handle linear, polynomial, exponential, and general nonlinear functions. DataFitting performs true nonlinear regression analysis, it does not transform the function into a linear form. As a result,...  Size: 2.9 MB License: Shareware Price: $15 Keywords: Curve Fit  Curve Fitting  Data  Datafitting  Equation  Fitting  Formula  Function  Least Squares  Nonlinear 


   Data Curve Fit Creator Addin is an easytouse data analysis addin for Microsoft Excel. It adds curve fitting, interpolation, and data smoothing functions to Excel. Curve fitting functions include polynomial fits and a versatile local regression (loess) function. Interpolations include linear, cubic spline, bessel and monotonic 'constrained' splines, as well as a 'flexible spline' that allows you to specify the slope at each data point. Cubic spline function coefficients and slope can...  Size: 7.1 MB License: Shareware Price: $79.95 Keywords: Addin  Averaging  Curve Fit  Data  Data Analysis  Excel  Gaussian  Interpolation  Median  Polynomial 


   Excel addin with eleven powerful worksheet functions for 1, 2 and 3 variable lookup and interpolation. Interpolation modes include: closestvalue, linear, piecewise parabolic or hyperbolic, cubic spline and polynomial up to 20th order. The functions can also handle tables containing missing and invalid data. Includes functions to fit polynomial curves through a set of XY data points and return a table of polynomial curve coefficients, as well as, determine the best fit polynomial curve....  Size: 1.0 MB License: Shareware Price: $20 Keywords: Curve Fitting  Excel Addin  Interpolation  Lookup  Spreadsheet 


   Excel addin with eleven powerful worksheet functions for 1, 2 and 3 variable lookup and interpolation. Interpolation modes include: closestvalue, linear, piecewise parabolic or hyperbolic, cubic spline and polynomial up to 20th order. The functions can also handle tables containing missing and invalid data. Includes functions to fit polynomial curves through a set of XY data points and return a table of polynomial curve coefficients, as well as, determine the best fit polynomial curve....  Size: 758.8 KB License: Shareware Price: $20 Keywords: Curve Fitting  Excel Addin  Interpolation  Lookup  Spreadsheet 


   Comprehensive tool for statistical analysis and modeling of experimental and market data. Universal input from outside data sources: from text files; file type and edit in spreadsheet like control; copy/paste from spreadsheets applications like MS Excel or Access; extract curve in numerical form from image chart; image file. Data manipulation procedures permit to new create and modify existing variables using simple formulas or schemes. Syntax of formulas incorporates itself ability to use...  Size: 1.4 MB License: Shareware Price: $9.95 Keywords: Curve Fit  Data Analysis  Multiavariate Analysis 


   SimplexNumerica is an objectoriented numerical data analyzer, plot and presentation program. SimplexNumerica is proving to be extremely popular among scientists. Ergonomic programming using the newest Windows programming guidelines with toolbars, context dialogs and interactive diagrams providing easy handling with difficult numeric mathematics. SimplexNumerica is best suited for publication type graphics, analysis of arbitrary data, analysis of measuring data, etc.  Size: 21.8 MB License: Freeware Keywords: Charts  Curve Fitting  Data Analysis  Data Analyzer  Data Logging  Data Presentation  Diagram  Fft  Numeric  Numerical Mathematics 


   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. Fit thousands of data into your equations in seconds: CurveFitter gives scientists, researchers and engineers the power to find the ideal model for...  Size: 3.1 MB License: Shareware Price: $15 Keywords: Curve  Curve Fit  Curve Fitting  Curvefitter  Equation  Exponential  Fitter  Formula  Function  Least Squares 


   LAB Fit is a software for Windows developed for treatment and analysis of experimental data. At LABFit program you are able to:1) Treat similar data (grouped and ungrouped dataset, one or two samples);2) Treat nonsimilar data;3) Determine propagated error (error propagation up to eight independent variables);4) Plot 2D and 3D graph (normal, parametric, imported dataset, contour of maps);5) Execute math calculations (system of linear equations, roots of function, nonlinear equation, ordinary...  Size: 3.4 MB License: Shareware Price: $60 


 Fityk  Data Added 1: February 25, 2010 
  "Fityk is a generalpurpose nonlinear curve fitting and data analysis software. Although it is being developed to analyze powder diffraction patterns, it can be used to fit analytical functions to any kind of data: crystallographic module is an independent part of the program.". fityk — free peak fitting software.  Size: 537.0 KB License: Freeware 


   grafix: SGMLbased scientific diagram editor, can do arbitrary userdefined transformations of input data, data interpolation by several methods, and curve fitting to arbitrary userdefined functions; generates PostScript (EPS) output  Size: 108.7 KB License: Freeware 


   KinetDS is a software for curve fitting particularly designed for kinetic (mechanistic and empirical) description of a substance dissolution from solid state. It was primarily designed for handling pharmaceutical dissolution tests  Size: 3.1 MB License: Freeware 


   peakomat is a curve fitting program aimed at the fast and easy fitting of spectroscopic data, especially if you face a large amount of similar spectra.  Size: 461.0 KB License: Freeware 


   MasterPlex is a useful tool that was created in order to provide you with a utility for ELISA Data Analysis. Allows for easy importing of data making ReaderFit your onestop ELISA analysis software for any instrument! Curvefitting for ELISA analysis has never been easier with full support for the 4 Parameter Logistic (4PL) and 5 Parameter Logistic (5PL) model equations and automatic EC50 & IC50 calculations for Dose Response Curves.  Size: 46.1 MB License: Shareware Price: $449 Keywords: Analysis  Curvefitting  Curvefitting Software  Data Analysis  Elisa  Elisa Analysis 


   A set of selfcontained C++ routines to sample and resolve functions properly for plotting, as well as curve fitting routines that fit spectral features. This is mainly useful for scientific simulations where spectral data need to be fully resolved. MIT License  Size: 0 License: Freeware 


 For searches similar to curve fitting see "Related Downloads" under the categories listing.    