- MathWorld, an excellent online math dictionary
- MacTutor History of Mathematics, the most complete math history web site I know of.
- Combined Membership List of all the professional math societies, searchable.
- Mathematics Genealogy Project: see the family tree of mathematics!
- arXiv of mathematics preprints

- American Mathematical Society (AMS)
- Headlines & Deadlines for students from AMS.
- Mathematical Association of America (MAA)
- MAA students page
- Society for Industrial and Applied Mathematics (SIAM)
- SIAM Careers & Jobs

- Hampshire College Summer Studies in Mathematics (summer '80):
- Special Projects High School, (since renamed University H.S.), Tucson AZ ('80-'82)
- Caltech (BS, '86)
- MIT (PhD, '91)
- Math Department
- my academic "family tree", starting at Rota (go to Stanley, then me).

- Ysleta Independent School District
- El Paso Collaborative for Academic Excellence
- National Assessment of Educational Progress (NAEP), "The Nation's Report Card"

- Learn the basics (and then the advanced strategies) on the Hex Wiki [dead link], archived here.
- Hex Strategy: Making the Right Connections by Cameron Browne remains the only book published about Hex. There are some typos, and the section on openings is outdated, but it is still a solid introduction to the game.
- Playing aginst a computer
- Playing against people
- Hex on Little Golem, a free turn-based game server.
- invite me to play against you on Little Golem. (Warning: I am very good.)

- University of Alberta Computer Hex Research Group
- Academic articles about Hex: still under construction