7 best curve fitting software for Windows 10

Madeleine Dean By: Madeleine Dean
5 minute read

Home » 7 best curve fitting software for Windows 10

Curve fitting software packages are specialized programs that apply curve fits to your data sets. If you need to generate graphs, you can also use the built-in Windows 10 Office Excel. However, if you want to create complex, scientific graphs you should use a dedicated curve fitting software.

Here are the best curve fitting software to use


CurvFit

CurvFit Windows 10

CurvFit allows you to build and simulate mathematical functions, equations or curves. The only requirement to use this tool is to already have the Visual Basic Run-Time Redistribution Pack installed on your Windows 10 computer.

CurvFit’s interface is rather old-fashined, but is pretty intuitive, allowing to easily access all the features. The tool also offers a Tip/Suggestions feature that guides you as you use the tool.

If you’re looking for a curve fitting software for academic purposes, then CurvFit is the right choice for you. It can create algebraic series of data such as Sine, damped Sine, Lorentz, and Exponential.

You can download CurvFit for free from Soft 112.


Prism

Prism curve fitting software

Prism is a popular curve fitting software developed by GraphPad. This tool combines scientific graphing, comprehensive curve fitting, statistics, and data organization.

Prism is a tool used mainly by scientists, and undergraduate and graduate students. This fact alone confirms it’s a highly reliable tool and offers a wide array of features that can meet the needs of even the most demanding users.

If you’ve never used Prism before, there’s no need to panic. The “Learn” feature and Prism’s online documentation plainly explain you the principles of the analysis, helping you better understand the processes and principles of nonlinear curve fitting. Prism is a useful pedagogical tool at the same same, teaching you what you need to know to analyze your data.

If you’re working on a project that involves several data experiments, Prism can record all your experiments, helping you to visualize the results in time.

You can try Prism for free or buy the tool for prices ranging from $20 for a monthly subscription to $725 for a lifetime subscription.


SciDAVis

scidavis curf

SciDAVis is the short name for Scientific Data Analysis and Visualization, which is an open-source program for interactive scientific graphing and data analysis. The tool generates 2D and 3D plots from data that is imported from ASCII files, entered by hand, or calculated using formulas. These plots can then be exported to several bitmap formats such as PDF, EPS and more.

The tool is primarily aimed at high-quality plotting of scientific data. It combines an intuitive, easy-to-use user interface with powerful features such as Python scriptability. SciDAVis’ main advantage is its emphasis on providing a friendly and open environment for new and experienced users alike. Thanks to good documentation on all levels, such as user’s manual and tutorials, users can quickly learn to master the tool. Moreover, they can share their experiences on SciDAVis’ forums.

You can download SciDAVis from GitHub.


SigmaPlot

SigmaPlot curve fitting

SigmaPlot is a complex data analysis tool that also supports curve fitting, allowing you to describe the shape and behavior of your data. You can use this tool for simple curve fitting tasks, as well as for complicated curve fitting problems.

SigmaPlot’s Dynamic Fit Wizard helps you to find the best solution for complex curve fitting tasks, by automating the search for initial parameter values to find the best solutions. In other words, the Dynamic Fit Wizard is actually a step-by-step guide through the curve fitting procedures, that also comes with an additional panel in which you set the search options. This feature is recommended for tasks with three or more parameters and a large amount of variables.

You can try SigmaPlot for free for 30 days or buy the tool for $100 from Systat Software.


TriLookup

TriLookup curve fitting windows 10

TriLookup is an add-on for Microsoft Excel that adds eleven powerful lookup and interpolation worksheet functions to this program, offering enhanced functionalities. You can use the add-on to perform interpolation and extrapolation from tables with one, two or three independent variables.

TriLookup was launched in 2003 and has been used by universities and hi-tech companies ever since. If you’ve never seen this tool before, you can use the online example spreadsheets that demonstrate the capabilities and the usage of the added functions.

Starting from version 3.0, there are two TriLookup versions available: TriLookup Lite, the freeware edition and the standard TriLookup version.

You can download TriLookup from Trimill.


Kintecus

kintecus curve fitting windows 10

Kintecus is a great tool to use if you work in the field of chemistry. You can use this powerful tool to run chemical kinetics of catalyst reactor, and enzyme reactions, and model equilibrium of combustion and nuclear reactions.

Kintecus accurately displays real life phenomena and reactions and the graphical interface is actually a collection of Visual Basic scripts implemented through an Excel interface. However, some users are annoyed by the fact that the interface requires Excel, but if you don’t want to install Excel, you can also run Kintecus only in command line mode.

You can get Kintecus for free by registering as an academic/educational user.


Gwyddion

gwyddion curve fitting windows 10

Gwyddion is a modular multiplatform software for scanning probe microscopy data analysis. It is a free software, allowing developers to further improve it.

Its main function is to analyze the height fields obtained by scanning probe microscopy techniques (AFM, MFM, STM, SNOM/NSOM). Gwyddion supports more than 40 features such as: force-distance curve fitting, volume force-distance curve fitting, location of peaks in graph curves and more.

Unlike Kintecus, Gwyddion has a modern, intuitive user interface, allowing users to quickly analyze data and identify the main values. All calculations are done in double precision, and Gwyddion native data format (.gwy) stores data in double precision, as well.

Use can download Gwyddion fro free from the tool’s official page.


These are the best curve fitting software you can use on your Windows 10 computer. As you can see, some of these tools can be used for various fields, while other are field-specific. If you’ve used other curve fitting tools that you think should be on this list as well, you can tell us more about your experience in the comment section below.

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