Wolfram Research
Wolfram Math World: Discrete Mathematics Topics List
A thorough list of topics in the study of Discrete Mathematics. Combinatorics, Graph Theory, and Point Lattices are three of the many areas given in-depth explanations here. Many of the links contain discussions of the topics that both...
Lawrence Berkeley National Laboratory
Berkeley Lab: Did You Ever Wonder? Why the Digits of Pi Look Random?
Students investigate the randomness of the digits of pi. The article discusses David Bailey, experimental mathematics, and numerical algorithms. The resource consists of pictures, quotes, and links to additional resources.