Free Curve Fitting Online

Need a high quality 2D or 3D curve fit? You can use Excel for 2D curve fits of simple Exponential, Linear, Logarithmic, or Polynomial functions (up to 6th degree). However, what can you do to curve fit more complex 2D or even 3D functions without doing the coding yourself? Check out This Free online curve fit service offers a broad range of functions to curve fit to in 2D and 3D. Don’t know which function fits your data best? Let the function finder find the best fits for your data and give you your top options. The curve fit results include an extensive statistical report. The curve fit equation is also provided in common source codes languages such as C++, Java, Python, C#, SCILAB, MATLAB, and VBA so that you can easily copy and paste it into your application. You can download all the information resulting from your fit into a single PDF document. Best of all, it is easily accessible online and IT’S FREE! This tool is great for practical and research applications.



  1. Thank you kindly for recommending my web site. Please contact me directly if you have any questions or suggestions for the site.

    James Phillips
    2548 Vera Cruz Drive
    Birmingham, AL 35235 USA

    1. Thank you James, I found it very useful. Thank you for providing this resource.

  2. Today I learned that has been permanently discontinued. What a loss for the scientific/engineering community! All the Python scripts James used in his site are available for download, but his site and its interface were irreplaceable. Today's a sad day for all Zunzun's users.

  3. Very, very sad! Who knows where to download the scripts?

  4. Hello I am designer of the leather jacket and I am hard Working with and its Geniune leather jacket website you like a this site so visit our site.. Chris Jericho Jackets

  5. Your site has taken a big place in my life. It's a useful and accurate article that will help you learn more about roxtec. Thank you for sharing this article.

  6. Very well written article. It was an awesome article to read. Complete rich content and fully informative. I totally Loved mechanic near me

  7. When classic meets contemporary: Get the look of the legendary Captain Picard in his new Star Trek Picard Season 3 Leather Jacket