Provides the locus of points, dominant axis and equation, discriminant, center, vertex, focus, directrix, and asymptotes for the parabola, the ellipse, and the hyperbola.

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...

This is short biography & an excerpt of an interview with children's author Joan Aiken. She speaks about her influences, ideas, and future writings.

Test your knowledge of using a protractor to construct triangles.

Test your knowledge of construting bisectors on lines.

A complete reference guide to points, lines, and planes. It provides definitions and interactive activities that enhance further explanation.

Provides a definition and examples of perpendicular bisectors.

Learn about equidistant points with this handy reference guide. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.

Author Pierce shares inspiration for the characters she creates and her devotion to her teen audience.

This site, which is provided for by the Rice University, gives a description of the social aspects of the wasp colonies - division of labour.

Learn about the three ways to define a parabola: Focus and Directrix, The Graph of a Function, and As a Conic Section. Examples are provided.

This site contains a vast amount of information relating to the hyperbola, including the definition of a hyperbola, equations in various systems, including polar, and many important characteristics of hyperbolas. Site also provides many...

This article is a biography of Prince Henry and details the value of his work and insights.