MAA Online Book Reviews
- Indexed by author, title, topic and reviewer.
- http://www.maa.org/reviews/reviews.html

The Classification of the Polynomial with Real Coefficients
- Explains a theory that the algorithm that every polynomial transforms to a source form. On-line summary, CD version.
- http://www.nabla.hr/

Mathematical Constants
- Website of the book by Steven R. Finch. With sample chapters, supplementary materials and further resources.
- http://pauillac.inria.fr/algo/bsolve/