Research Guides: Math

International database covering math education.

Designed for both students and teachers, this site provides links to resources for preschool through graduate-level mathematics. In addition to homework help and study tips, the site includes lesson plans, reference materials and an "Ask Dr. Math" feature.

Simple conversion generator for a variety of weights and measures, including area, length, volume, weight, and mass.

Zentralblatt MATH is the world's most complete and longest running abstracting and reviewing service in pure and applied mathematics. The ZBMATH Database contains about 2.9 million entries drawn from about 3500 journals and 1100 serials from 1826 to present.