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 Ray McGinnis, MIT

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Sample Plots.  Click Images to Enlarge

Click to View Entire Help File, With Formulas