curve fit

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Data Curve Fit Creator Add-in - 2.80

Adds data curve fitting, interpolation and data smoothing functions to Excel. Functions include polynomial fits, several types of splines, and local regressions. Filters include moving average, Gaussian smoothing and median filtering.





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Current Version: 2.80
Release Date: Jul 31, 2020
License: Shareware
Price: $79.95
Downloads: 1452


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CHEMIX School 7.00Data Added 1: October 29, 2020   
CHEMIX School. Acid Base Buffer.
CHEMIX School is an educational tool for learning chemistry. It is geared toward college-level chemistry, but is also appropriate for high-school students, chemists, and teachers. It is equipped with a periodic table containing history, 19 physical properties + number of stable isotopes, abundance, atomic mass, spin, resonance frequencies, relative receptivity, magnetic moment, quadropole moment and magnetogyric ratio for all stable isotopes. Also included are physical properties of more...
Size: 1.7 MB License: Shareware Price: $19 
Keywords: Acid - Base - Buffer - Calculator - Chemistry - Chemix - Concentration - Conversion - Curve Fit - Dilution



Nonlinear analysis - DataFitting 1.7.29Data Added 1: September 09, 2018   
Nonlinear analysis - DataFitting. Curve Fit Curve Fitting Data.
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 - Non-linear



CurveFitter 4.5.19Data Added 1: February 19, 2017   
CurveFitter. Curve Curve Fit Curve Fitting.
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



Nonlinear regression - CurveFitter 4.5.51Data Added 1: November 30, 2020   
Nonlinear regression - CurveFitter. Curve Curve Fit Curve Fitting.
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



Easy CurveFit 4.0Data Added 1: September 01, 2012   
"Easy CurveFit" is a very easy tool to fit curve. Only three steps you should do, and you'll get the fitting curve and the needed parameters. The models include linear and nonlinear. Regressions: 1. Linear Fit, y=a+bx; 2. Quadratic Fit, y=a+bx+cx^2; 3. Compound Fit, y=ab^x; 4. Logatithmic Fit, y=a+b*ln(x); 5. Exponential Fit, y=a*exp(bx); 6. Power Fit, y=a*x^b; 7. Inverse Fit, y=a+b/x; 8. hyperbola Fit, y=ax/(b+x); 9. Geometric Fit, y=ax^(bx); 10. Geometric Fit, y=ax^(b/x);
Size: 544.0 KB License: Shareware Price: $39.95 
Keywords: Curve - Curve Fit - Curve Fitting - Data Curve Fitting - Data Fitting



LAB Fit Curve Fitting Software 7.2.41Data Added 1: October 07, 2008   
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 non-similar 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, non-linear equation, ordinary...
Size: 3.4 MB License: Shareware Price: $60 


CurveExpert Basic 1 40Data Added 1: April 17, 2012   
CurveExpert Basic. Curve Curve Designer Curve Fitting.
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 built-in, but custom regression models may also be defined by the user. Full-featured 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 1.0.2Data Added 1: September 05, 2012   
CurveExpert Professional. Curve Curve Fitting Curve Graph.
CurveExpert Professional is a cross-platform 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 built-in, but custom regression models may also be defined by the user. Full-featured publication-quality 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



LeoDataAnalysis 1.1Data Added 1: February 19, 2018   
LeoDataAnalysis. Curve Fit Data Analysis Multiavariate Analysis.
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



LeoStatistic 14.7Data Added 1: March 09, 2008   
LeoStatistic. Curve Fit Data Analysis Multiavariate Analysis.
Comprehensive tool for statistical analysis and modeling of experimental and market data. Universal input from outside data sources: from text or database 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...
Size: 834.3 KB License: Shareware Price: $34.95 
Keywords: Curve Fit - Data Analysis - Multiavariate Analysis



DataScene 1.8.1.1Data Added 1: October 05, 2009   
DataScene. 3d Animated Presentation Animation.
DataScene is a data graphing, animation, and analysis software package. It allows the user to easily plot 2D & 3D graphs (Area, Bar, Pie, Line, Surface, Ploar, and more) with scientific, financial, and statistical data, to manipulate, print, and export high quality graphs, to analyze data with various mathematical methods (fitting curves, calculating statics, FFT, and more), to create graph animations for presentations, classes, and web pages, and to chart and process real-time data sources....
Size: 44.1 MB License: Shareware Price: $219 
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DataScene Lite 1.8.2.2Data Added 1: October 08, 2009   
DataScene Lite. 3d Area Bar.
DataScene Lite is a data graphing and data analysis software package. It allows the user to easily plot brilliant 2D & 3D graphs (Area, Bar, Pie, Line, Surface, Polar, and more) with scientific, financial, and statistical data, to manipulate, print, and export high quality graphs, to analyze data with various mathematical methods (fitting curves, calculating statics, FFT, and more). DataScene Lite is an ideal tool for scientific graphing and office uses. Feature Highlits: * Plotting 39...
Size: 44.1 MB License: Shareware Price: $139 
Keywords: 3d - Area - Bar - Charting - Data Analysis - Data Graphing - Fft - Financial - Graphing Software - Line



Auto2Fit 3.0Data Added 1: May 24, 2007   
Auto2Fit is a revolution tools and beats all other simliar ones in the area of nonlinear regression! Almost all data analysis software packages (SPSS, SAS, Statistical,Origin Pro, DataFit, Stata or Systat) need end-users to provide/guess initial start values, and the successes of nonlinear regression computation are havily depended on those guessed data. Unfortunately, for most of people, the guesses of proper start values are nightmare. With the unique, robust and high efficient...
Size: License: Shareware Price: $288 
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ImageDIG 2.0.7Data Added 1: June 21, 2007   
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ImageDIG consists of three integrated modules which allow the user to convert 2D flat images into 3D (x,y,z) data or if a graph, convert the graph in image form into 2 dimensional numerical data. The third module is a full analysis plotting utility where the user can import either the 2D or 3D data saved above or import any number of columns of data from a file. The data can then be analyzed using several statistical functions and plotted. ImageDIG was developed because other functionally...
Size: 5 B License: Shareware Price: $49.95 
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Regression Analysis - DataFitting 1.7Data Added 1: October 07, 2008   
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, it...
Size: 1.9 MB License: Shareware Price: $15 


DRAFT IT 3.0.5Data Added 1: July 17, 2012   
DRAFT IT V3 is a completely FREE program that you can use indefinitely. It is a powerful & easy-to-use 2D CAD system suitable for all users, in the office or at home. During the first 15 days after installation you can try out the features of all of the low cost upgrades. You can create, print & save drawings, & it has dynamic editing functions with visual handles & snaps, it also supports Metric/Imperial units & sheet sizes. a? 3 low cost enhanced versions with even more new features: DRAFT...
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Thermocouple Scripts 1.0Data Added 1: April 10, 2013   
Thermocouple Scripts. Thermocouples generate a voltage at a given temperature. The relationship isn't simple. There are published tables, but the format can be awkward. This project supplies tools to find, parse, plot, and curve-fit thermocouple data. MIT License
Size: License: Freeware 


SRS1 Cubic Spline for Excel 2.512Data Added 1: February 10, 2019   
SRS1 Cubic Spline for Excel. Cubic Spline Curve Fit Custom Functions.
This is free software that adds several spline and linear interpolation functions to Microsoft Excel. It is simple to use because the new functions work just like all other existing Excel functions. Spline functions include cubic spline, bessel spline, and 'OneWay' spline (which is a monotonic spline). The new functions can be used for data analysis, forecasting, and many other applications.
Size: 1.5 MB License: Freeware 
Keywords: Cubic Spline - Curve Fit - Custom Functions - Data Analysis - Data Fit - Excel - Function - Interpolation - Linear Interpolation - Microsoft Excel



DataFit 8.1Data Added 1: June 21, 2007   
DataFit. Curve Data Estimation.
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 well-designed 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



RCM P-F Curve Screensaver 1Data Added 1: April 29, 2012   
RCM P-F Curve Screensaver. P-f Curve Rcm Reliability Centred Maintenance.
Reliability Centred Maintenance (RCM) P-F Curve Screensaver. This screensaver beautifully draws the RCM P-F Curve step-by-step. It occupies 720x576 pixels of your screen and is positioned at random each time it appears. (If your screen is smaller than this then it is resized to fit.)
Size: 511.0 KB License: Freeware 
Keywords: P-f Curve - Rcm - Reliability Centred Maintenance - Screensaver



FindGraph 2.48Data Added 1: June 17, 2013   
FindGraph. Approximation B-spline Chart.
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, B-splines and parametric curves least squares approximations, plus a library of over 300 industry-specific 2D formulas. FindGraph uses the Levenberg - Marquardt non-linear algorithm and the Simplex algorithm to fit data. A built-in Wizard helps to apply different curve fits to discover...
Size: 4.3 MB License: Shareware Price: $100 
Keywords: Approximation - B-spline - Chart - Curve - Data-analysis - Digitizing - Drawing - Equation - Fitting - Functions



TriLookup 2.2Data Added 1: June 21, 2007   
TriLookup. Curve Fitting Excel Add-in Interpolation.
Excel add-in with eleven powerful worksheet functions for 1, 2 and 3 variable lookup and interpolation. Interpolation modes include: closest-value, 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 X-Y 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 Add-in - Interpolation - Lookup - Spreadsheet



TriLookup Mac 2.2Data Added 1: June 21, 2007   
TriLookup Mac. Curve Fitting Excel Add-in Interpolation.
Excel add-in with eleven powerful worksheet functions for 1, 2 and 3 variable lookup and interpolation. Interpolation modes include: closest-value, 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 X-Y 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 Add-in - Interpolation - Lookup - Spreadsheet



Curve Pilot for Mac 1.00Data Added 1: June 21, 2007   
Curve Pilot for Mac. Adjust Balance Channel.
Curve Pilot designed for teaching the basics of color corrections of images created by a digital camera or scanner. The traditional image editors use the curve method for color correction. The drawback of this method is that you don't always understand in which direction you should move certain curve. Curve Pilot offers you a revolutionary new method: simply indicate which color you want to get as a result of color correction and Curve Pilot will automatically calculate the values for curves...
Size: 2.2 MB License: Shareware Price: $49.95 
Keywords: Adjust - Balance - Channel - Color - Correct - Curve - Edit - Lab - Photo - Rgb



Fraction Fit 1.04Data Added 1: February 22, 2010   
Fraction Fit is a calculator for converting between fractions and decimals. The program can help you find the right fraction for a decimal equivalent. When converting from a decimal to a fraction, the program also displays the actual and percentage error. Finger size buttons help find the next highest or next lowest fraction. Millimeters automatically convert to inches in fractions. Inches to/from millimeters conversion in decimals can be easily viewed by merely toggling the units....
Size: 125.0 KB License: Shareware Price: $9.95 
Keywords: Business - Calculator - Converting - Decimal - Decimals - Fit - Fraction - Fraction Fit - Fraction Fit 1 04 - Fractions



Curve Editor Personal 2.3.0.47Data Added 1: September 26, 2012   
Curve Editor Personal. Animation Approximation Bezier.
Curve Editor it's an easy to use and at the same time functional curve editor which can help you to make changes to any characteristics in time and get the result in a form of a RAW file containing the raster values of a built curve for each frame in a defined period of time. The program operates with the splines composed of cubic Bezier curves which are built by setting the control points and the following regulation of their characteristics in such a way that it could be possible to...
Size: 1.9 MB License: Shareware Price: $29.99 
Keywords: Animation - Approximation - Bezier - C C++ - Curve - Development - Editor - Export - Frame - Game



Experience Curve Software 1.0Data Added 1: June 10, 2012   
Experience Curve Software. Experience Curve Software Learning Curve Software Strategic Analysis Management.
Experience Curve Software, Learning Curve Software (Strategic Analysis, Management)
Size: 1.6 MB License: Shareware Price: $25 
Keywords: Experience Curve Software - Learning Curve Software Strategic Analysis - Management



Easy-Fit Express 1 3Data Added 1: July 29, 2012   
Easy-Fit Express. Differential Differential Equation Equation.
Easy-Fit Express is an application that was designed to solve constrained nonlinear parameter estimation problems. Synonyms are data fitting, nonlinear regression, parameter identification, curve and surface fitting. The numerical methods are based on highly efficient Gauss-Newton-SQP algorithms. Model functions are defined in a modeling language called PCOMP and are interpreted and evaluated during runtime. Features: A general arbitrary...
Size: 63.5 MB License: Freeware 
Keywords: Differential - Differential Equation - Equation - Identify Parameter - Model Function - Parameter



CurveUtils 1.0Data Added 1: April 18, 2013   
A set of self-contained 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: License: Freeware 


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