Google 3-D Grapher

Just type in x^2-y^2 into Google’s search box and you get the saddle figure – and you can move it around as well!  With these types of  ready- to -go aids for graphing, anyone can incorporate serious graphics into teaching and learning math.

Click on the image  to see a “live” version of the surface  \(z=x^2-y^2\).

googl3d

Article written by