Whether you’re dealing with 2D or 3D graphs, Apple’s Grapher could be just what you’re looking for. With examples provided for everything from differential equations to a Torus-Knot, and easy tools for animation, you’ll find a lot of reasons to consider how Grapher could help you with your academic work. You can also create or import point sets for graphing.
Grapher is a bundled application on all Macintosh computers using MAC OS X. You’ll find it in under Macintosh HD > Applications > Utilities.