Computers

A downloadable textbook by Herbert S. Wilf. Each chapter is available as compressed PostScript or PDF.

"By P. Crescenzi and V. Kann; KTH Stockholm. A continuously updated version of the appendix from the book ""Complexity and Approximation"" (Springer

By Gaston H. Gonnet and Ricardo Baeza-Yates. The preface, table of contents, index and all source code of this handbook. The main goal is to make available through Internet the source code of many algorithms (in C and/or Pascal) that have been already tested.