Jan Verschelde's Homepage
             (Author of PHCpack)

        Optimization Online
             (An eprint site for optimization)

        The Optimization Technology Center
             (NEOS: Network-Enabled Optimization System)

        Conferences

        Eric Weisstein's World of Mathematics

        Ninf : A Global Computing Infastructure

        Dimacs Challenge Problems

        Miscellany

            Merriam Webster Dictionary
            C++ tutorial
            Programming in C
            A survival kit for a scientific computing project