Geogebra Dynamic Conics for PreCalc

For Precalc H, I created a series of dynamic Geogebra files, where the teacher or student uses sliders to control the center and the a (and b) values of the conic. The file calculates and graphs the appropriate conic, foci, directrices, etc. All the files can be downloaded here. Sample: Or you can go to […]

Dynamic Geometry

Dynamic Geometry Software I have access to Geometer’s Sketchpad at school; its installed on a bunch of laptops and in a couple of computer labs.  Geogebra is a similar program but I do not have much experience with it. For the past 4 years I’ve done various “labs” with the Geometry students where they create […]