The package MathPack contains a lot of routines and classes offering various mathematical methods. Among them are linear regression (simple and multiple), curve fitting, random generators, vector and matrix algebra, eigenvectors, principal components, cluster analysis, Fourier transform, Kohonen networks, statistical distributions, and more. The package BasePack contains several units of the SDL Component Suite which fall into the category "basic operations and data structures". Among them are FIFO registers, bit arrays, system specific routines, the handling of streams, and string processing.