If you are looking for a curve fitting software, check out @LabPlot. It's easy-to-use, open source and cross-platform. Among many other things, it can also be used to fit statistical distributions.
How To Fit a Curve in LabPlot:
https://www.youtube.com/watch?v=gLDwTVl8XCA
#distributionfitting #nonlinearfitting #CurveFitting