 It is written in C and uses GNU Scientific Library for its mathematical routines.The name has "no official acronymic expansion".This software provides a comprehensive set of capabilities including frequencies, cross-tabs
comparison of means (t-tests and one-way ANOVA), linear regression, logistic regression, reliability (Cronbach's alpha, not failure or Weibull), and re-ordering data, non-parametric tests, factor analysis, cluster analysis, principal components analysis, chi-square analysis and more.