StaTable Lite provides immediate access to five statistical distributions: 1) Normal, 2) Chi-Square, 3) Student's t, 4) Non-Central F, 5) Binomial. With just a few keystrokes, the tail area or percentage point you want appears in a window. StaTable eliminates hunting for books of tables, interpolation, and risk of calculation error.
Looking up Table Values: If you are looking up probabilities for a given variate simply type the value(s) into the top-most cells(s). The desired probabilities will be computed and shown in the bottom group of probability cells.
If you are looking for the percentile point for a given probability, enter this value in the appropriate probability cell. The top-most cell will then display the required percentile point value.
For additional technical information, please see Appendix A-D of StaTable Manual at http://www.cytel.com/software/statable.pdf. You may ignore other parts of the manual which were written originally for legacy desktop application.