Description:
Produces stereoscopic graphs of mathematical functions or of approximations to their 1st and 2nd order partial derivatives. Most people are able to view these stereographs without any paraphernalia and feel a true three-dimensional effect. True depth perception is due to binocular vision and the Stereographer does provide this fascinating 3-D sensation. You can rotate and translate the surface or space curve, zoom in or out, pan, etc.