  |
Wolfram: Mathematical Functions - http://functions.wolfram.com/
Includes advanced formulas and visualizations of various equation, such as elliptical curves. |
  |
Digital Library of Mathematical Functions - http://dlmf.nist.gov/
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. |
  |
PlanetMath - http://planetmath.org/
A collaborative encyclopaedia with entries contributed under the GNU Free Documentation License. |
  |
On-Line Encyclopedia of Integer Sequences - http://www.research.att.com/~njas/sequences/
Identify a sequence by entering few terms in the sequence. Additional information includes examples, formulas, and related links. |
  |
Math2.Org - http://www.math2.org/
Formerly Dave's Math Tables. Mathematical tables on-line and downloadable. |
  |
Platonic Realms - http://www.mathacademy.com/pr/index.asp
Online resource for the mathematics community: links library, bookstore, quotes, and online articles. |
  |
Geometry Formulas and Facts - http://geom.math.uiuc.edu/docs/reference/CRC-formulas/
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. |
  |
Mathematics Resources - http://www.educationindex.com/math/
This site comprises a large number of links to matheamtical resources, dedicated to various topics. |
  |
The Math Reference Project - http://www.mathreference.com/
An electronic archive of articles by Karl Dahlke on topics ranging from high school geometry up to graduate level topology. |
  |
Math Assistance - http://www.ercangurvit.com/
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. |
  |
Summation Formulae - http://polysum.tripod.com/
For polynomials of degrees up to 50, generated using the Euler-Maclaurin method. |
  |
Wikipedia: Mathematics Section - http://en.wikipedia.org/wiki/Mathematics/
Free encyclopedia. Cover number systems, different math fields, foundations, history, applications, and famous problems. |
  |
EquationSheet.com - http://www.equationsheet.com/
Searchable directory, arranged by field, of equations, constants, symbols and SI units. Also features LaTEX utilities, software links. |
 |
Mathematical Atlas - http://www.math.niu.edu/~rusin/known-math/welcome.html
A topical guide to modern mathematics that explains the subdisciplines. Includes graphics that represent their relative size and relationship. |
 |
Glossary of Math Terms - http://www.dpi.state.wi.us/dpi/standards/mathglos.html
Explains commonly used words specialized to this field. Includes examples and some graph illustrations. |