Fityk is a very useful and easy to use program for data processing and nonlinear curve fitting.
It is free and you can download it from the webpage of the developer.
Here we present you three video-tutorials to master this software, you can watch them here or visit the Nanopto Youtube channel where you will find these and many other interesting videos.
1. First steps with Fityk
2. Learn how to automate the fitting
3. How to add custom functions to Fityk.
