Downloading Fityk 1.3.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. You can execute this free PC program on Windows 2000/XP/XP Professional/Vista/7/8/10/11 32-bit.
The following versions: 1.3, 0.9 and 0.8 are the most frequently downloaded ones by the program users. Cfityk.exe and fityk.exe are the most frequent filenames for this program's installer.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. Fityk lies within Education Tools, more precisely Science Tools. This free software is a product of Marcin Wojdyr.
From the developer:
Fityk is user friendly, open source software for nonlinear curve fitting and data analysis. It is primarily used by scientists to analyze data from experiments (powder diffraction, chromatography, photoluminescence and infrared and Raman spectroscopy), but can be used to fit any analytical functions to any kind of data.
You may want to check out more software, such as Agelong Tree, ChaosPro or Quantity One, which might be related to Fityk.