A mathematics reference collection of "K through 14" math tables, facts, definitions, formulas and explanations: compiled by Colby Community College Mathematics Department. www.colbycc.org/www/math/math.htm
An excerpt from the 30th Edition of the CRC Standard Mathematical Tables and Formulas, covering the area of Geometry (minus differential geometry), by Silvio Levy. geom.math.uiuc.edu/docs/reference/CRC-formulas
Identify a sequence by entering few terms in the sequence. Additional information includes examples, formulas, and related links. www.research.att.com/~njas/sequences
This mockup gives an idea of the current ideas about the design and organization of the new Digital Library; these ideas are, of course, subject to change. Content only is only available in a few places. dlmf.nist.gov
Lists rules and formulas for a number of mathematical subjects, such as plotting graphics, functions, factoring, derivatives, integrals, matrices, vectors, and numerical analysis. In English, French and Turkish languages. www.ercangurvit.com
A topical guide to modern mathematics that explains the subdisciplines. Includes graphics that represent their relative size and relationship. www.math.niu.edu/~rusin/known-math/welcome.html
Free encyclopedia. Cover number systems, different math fields, foundations, history, applications, and famous problems. en.wikipedia.org/wiki/Mathematics