This page discusses sets and set theory in mathematics and probability, and it discusses the notation and properties of sets.

MathWorld provides graphs of the sine function, both 2-dimensional and 3-dimensional. Higher level mathematical applications given, including the hyperbolic sine function, representation of the sine function as an infinite sum as well as product, the convergent infinite series for the sine function, and more.

Site provides a brief explanation of the discipline of Spherical Geometry along with many links to spherical geometry topics.

This math site from Mathworld.com explains what a square root is including information on imaginary numbers and many links. This site also addresses the continued fractions of positive real square roots, in particular the square root of two and three.

This site provides a detailed explaination of symmetry and many links to related topics.

This site explain ellipse how they are formed with the foci, and gives a nice moving demonstration of drawing an ellipse. Read further down the page to equations of ellipses in different systems, including polar. The last half of the page attends the ellipse in higher mathematics.

This tutorial offers formulas and explanations on trigonometric addition formulas and features an easy way to remember the sine and cosine addition formulas using matrices.

This site from MathWorld.com is a site full of links to very extensive documentation on the trigonometric functions.

Provides tables for all the types of vector multiplication and the notation associated with them. The result is also given in the table (ie. scalar or vector) this site contains many related links.

This site from MathWorld contains a short description of the fundamental theorem of algebra.

Site gives a definition of the inverse funciton as well as the example of the inverse of f(x)=x. Also included are formulas and links to related sites.

A brief description of recursive process from MathWorld. Click on any of the highlighted terms for more definitions.

This simple MathWorld site defines theorems and briefly explains how a theorem is produced.

Offers an explanation of what a geometric construction is and what some of the tools are that are used for it, including the traditional straightedge and compass. The site explains how to construct various polygons inscribed within a circle. Includes many links to other MathWorld pages.

Defines vector sum and expresses the notation using algebra. Includes links to sites with related information.

This World of Mathematics site by Eric Weisstein explains the term "Standard deviation." Provides step-by-step help, examples, and charts.