GeoGebra is a dynamic mathematics software for schools that joins geometry, algebra and calculus. GeoGebra is an interactive geometry system. You can do constructions with points, vectors, segments, lines, conic sections as well as functions and change them dynamically afterwards. Additionally, math equations and coordinates can be entered directly. GeoGebra allows students to see the relationships between these different branches of mathematics.GeoGebra is available both online and in a downloadable version.
Use Audible to find and download spoken audio books, information, educational programming, and other spoken media (radio, TV programs, magazines and newspapers). Audible audio files are compatible with many audio players, mobile phones and streaming media devices, files can also be downloaded using Windows PC or Macintosh computers, and burned to a CD. Using the Audible App allows the user to download, play and store multiple titles on their mobile device. Various subscription levels and pricing are available.