Developer website: Key Curriculum Press
The Geometer's Sketchpad (GSP5) ... With a 20-year record of classroom success, The Geometer's Sketchpad® is the world's leading software for teaching mathematics. Instructors have named it the "Best Educational Software of all Time." Sketchpad gives students a tangible, visual way to learn mathematics that increases their engagement, understanding, and achievement. And it's not just for geometry. Use it for elementary and middle school math, algebra, precalculus, and calculus.
Version 5.05: Release notes were unavailable when this listing was updated.
Mac OS X 10.4 or later