EPISTAT is a collection of programs written in BASICA
for statistical analysis of small to medium-sized data samples.
It includes programs to enter, append, and edit data, as well
as perform several kinds of data transformations. The datafiles
can be printed, graphed, or saved to disk. The 21 programs in
EPISTAT can also perform 34 common statistical tests or functions.
(taken from EPISTAT.DOC)