algorithms is about the presentation, numbering, and layout of algorithms or pseudocode in documents. Typical packages (with links to CTAN copy of package documentation) could include:
algorithmsbundle for thealgorithmicandalgorithmenvironments
There are examples of algorithm representationcin the LaTeX wikibook and in the answer to the question on this site what is a good package for displaying algorithms?.
For TeX's internal algorithms see programming.
