Interactive geometry by sketchessketchometry is dynamic mathematics software for doing Euclidean geometry and function plotting. The user sketches points, circles and lines on the screen, and sketchometry tries to identify these strokes and generates exact geometric objects out of it.
This is the hosted web application of sketchometry. It is free to use and runs on all modern browsers on tablets and desktop PCs, it is also well suited for use by the teacher in class room on interactive whiteboards. Constructions are saved in the cloud. At the moment, Dropbox, Google Drive, OneDrive, Ubuntu One and WebDAV are supported.