# Web Links

Here are some resources for math teachers and students alike. These may be used for presentations or tools for homework.

## Geogebra

Geogebra is a wonderful program that can be used to visualize different concepts and ideas in math. It is free and extremely versatile.

## Wolfram Demonstrations

Here is a collection of mathematical demonstrations done by wolfram.com.

## PhET

Fun, interactive, research-based simulations of physical phenomena from the PhET project at the University of Colorado.

Links for Conics

## Ellipse and Hyperbola Review

An applet that lets you review constructions for parabolas and hyperbolas.

## Graphing the Ellipse and the Hyperbola

An applet that walks a student through graphing ellipses and hyperbolas.

## Graphing the Ellipse and the Hyperbola (not around the origin)

An applet that walks the student through graphing ellipses and hyperbolas that are not centered at the origin.

## Find equation of Ellipse and Hyperbola

This link is an applet that leads students to come up with an equation to go with a graph of an ellipse or hyperbola.

## Conic Sections: The Double Cone

This is a wolfram demonstration showing that a conic section is the intersection of a double cone and an inclined plane.