Some topics are covered better than others, but in most cases you may expect to glean a good deal of information on a huge variety of topics in Mathematics. The site underwent several major revisions. In its latest incarnation, it features an exemplary user interface with multiple entry points and a powerful search engine. Teaching material, Math related sites, Journals and Magazines, Government Institutions, Societies and Colleges, Math Departments. The nationally recognized information source for K-12 mathematics and science teachers.
Special pages describe Famous problems in Mathematics.
The site is a valuable on-line source of information but not as comprehensive or well organized as Eric's Treasure Trove . But there is a promise hence the hope. A most remarkable and well organized site. Plenty of information not all of which is actually historical. There is also a page of Famous curves that uses Java extensively.