Includes a 2x2 table that accepts the usual 4 cells, but also will complete missing cells if you provide row or column totals. Has equations for diagnosis and includes Fagan nomogram. Has equations for NNT including deriving the NNT from odds ratios and adjusting the NNT for transportation across prevalences. Can perform Bayesian analyses of statistical significance. Creates evidence tables from multiple studies and exports the tables to memopad. Has epidemiology glossary with examples from classic studies.
Updated Description:

Version 2 adds confidence intervals for all measures of risk and NNT.