One can save Geometer's Sketchpad (GSP) pages as web pages that are made interactive using Java Sketchpad (JSP). From time to time there will be such JSP pages added to the site for Math 445.
Affine Geometry
- Affine Transformation of a Quadrilateral
- Affine Image of a Circle is an Ellipse
- Two Centers of Mass of a Quadrilateral
- Parallel Projection of a Parallelogram
- Affine Coordinates on a Line and on the Plane
- Affine Interpolation to Find z-Coordinate (note bug report on page)
- An Example of Barycentric Coordinates and Triangle Area
- Law of Cosines
- Visualizing Stereographic Projection