has released Graph³ v1.0 for the TI-83 Plus and TI-83 Plus Silver Edition. This version is considered to be stable. Graph³ is a 3D grapher for your TI-83+ or TI-83+ Silver Edition. It is faster than the TI-89’s built-in grapher. It features rotation, zooming, tracing, and more. It also draws either wireframe or hidden surface plots.
You may download Graph³ here
, or from the Graph³ Homepage