GeoGebra 3.8.2
Interactive geometry program

GeoGebra Math Calculators with Graphing, Geometry, 3D, Spreadsheet, CAS and more! Geometry Calculator Features: Lightning-fast native speed on your phone The same easy-to-use, powerful, well-tested Geometry engine from our GeoGebra desktop apps All the Geometry tools that you know from our other platforms Shape recognition - just draw what you want! Try segments, circles, and triangles. Files compatible with all other versions of GeoGebra (desktop, tablet, and phone apps!) Saving integrated with your GeoGebra Account so you can access your files from all platforms (iPhone will follow soon) Share files by email Find out more in our Geometry Tutorial screenshot