CERNLIB is a suite of data analysis tools and libraries created for use in physics experiments, but also with applications to other fields such as the biological sciences.

PAW is an interactive program providing interactive graphical presentation and statistical and mathematical analysis tools. It is designed to work on objects familiar to physicists such as histograms, event files (Ntuples), vectors, etc.

The program is linked statically against the CERN libraries on 64-bit architectures in order to function properly, as its design is not very 64-bit clean.