For those needing portability, Rad Pro for Desktop works with Windows 8.1/10 tablets. Will not work with Surface tablets running Windows RT.
  

ProbPlot 3.0

 Programmed by Robert J. Tuttle, Brian Oliver, PH.D. and Rad Pro Software Team, MIT

 

Sample Plots.  Click Images to Enlarge

Click to View Entire Help File, With Formulas