Proof it!

Please drag the slider below the illustration and describe what happens.

Move it!

Please drag the sliders below the illustration and describe what happens.


Find it!

Please drag the slider below the illustration slowly and describe what happens.


JSXGraph

These illustrations are realized with JSXGraph.

JSXGraph is a cross-browser JavaScript library for interactive geometry, function plotting, charting, and data visualization in the web browser, developed at the University of Bayreuth.