I use R, which is free. It is somewhat akward to leran but it pays off. I use it with RStudio, which is also free.

In attachments R scripts for both goodness-of-fit and IDF curves

R software and use news.fit() function.

Use R software and goodness.fit() function.

Thank you very much, Sirs!!

Dear, Game it is your support that makes me strong.

Thank you very much dear

Dear Gemechu

Another option is to use The software:

"easyfit"

It automatically adjusts to numerous distributions, with several tests and several levels of significance.

Best regards

C.M. Legón

Thank you very much, C.M. Legón!!

R can serve well

You can use the function goodness.fit() in R program.

Hi

I suggest you visit this video:

https://youtu.be/YDJkgMuEjgA

There are several remarkable points on the related page!

Let me know if you need more information about it

Cheers,

Nasrin