|  | Brief program description. For details see the
 software page
 
 | Download from
 |  | 
              
            |  | Frequency analysis and distribution fitting
 | CumFreq |  | 
              
            |  | Subsurface drainage equations | EnDrain |  | 
              
            |  | Fisher's F-test calculator, used in Anova tables
 | F-tester |  | 
              
            |  | Leaching model of salts from soil | LeachMod |  | 
              
            |  | Calculator for normal distributions and the Z-test
 | NormDis |  | 
              
            |  | Rainfall-Runoff model using 
 a non-linear reservoir.
 | RainOff |  | 
              
            |  | Agro-hydro-soil-salinity model | SaltMod |  | 
              
            |  | Simplified version of Saltmod for shorter time steps
 | SaltCalc |  | 
              
            |  | Spatial agro-hydro-soil-salinity model, extended SaltMod version
             with polygons
 | SahysMod |  | 
              
            |  | Simplified version of SahysMod for shorter time steps
 | PolySalt |  | 
   
            |  | Software for segmented regression | SegReg |  | 
           
              
            |  | Calculator for Student's t-test | t-Tester |  |