JavaSketchpad is a component of The Geometer's Sketchpad that allows you to export dynamic sketches you've created in Sketchpad as standalone applets on the Internet. These pages demonstrate various basic JavaSketchpad capabilities. For more ambitious uses of JavaSketchpad, visit some of the sites listed in JavaSketchpad Links.
Attention: This page contains several JavaSketches. If this is the first JavaSketch you've encountered since starting your browser, it may take a few moments to load. (Look for an illustration to appear at the left.) You can also try refreshing your browser window. After loading the first JavaSketch, your browser will be able to load subsequent JavaSketches and pages much quicker. Please be patient.
Once the illustration appears, you can interact with it by dragging the red points.
- Coil: A coil of congruent quadrilaterals
- Iris: A pentagonal iris
- Napoleon's Theorem: One of the general's musings on triangles and midpoints
- Centroid: Triangle medians and the centroid
- Nine Point Circle: Another geometric gem
- Pythagoras: A geometric demonstration of Pythagoras' theorem for right triangles.
- Desargues' Theorem: A demonstration of a theorem of Girard Desargues, from projective geometry
- The Conic Sections as the Locus of Perpendicular Bisectors: Perpendicular bisector envelope definition of the conics
- Dynagraphs: Dynamic representation of functional relationships
- Sine Wave Geometry: Trigonometric animations
- Parabolas in Vertex Form: Exploring families of parabolas
- Lissajous Curves: A complex locus construction of the family of Lissajous curves
- The Witch of Agnesi: A sample curve from Xah Lee's online encyclopedia
- Bézier Curves: Curves defined by control points
- Least Squares: An interactive exploration of the "least squares" statistical metric
- Hypercube: An explanation of the process of visualizing n-dimensional space
- Stereo Icosahedron: A three-dimensional (3D) visualization of an icosahedron; benefits from red/blue 3D goggles
- Vasarely Bubble: Complex constructions = simple fun
- Spinning Logo: Revolving title animation