Texas Instruments Titanium TI-89 User Manual

3D Graphing 409
Note: When you animate the graph, the screen changes to normal view. Press p to
switch between normal and expanded views.
6. Use the cursor keys to animate the
graph and view it from different eye
angles.
Note: For more detail, increase the xgrid
and
ygrid Window variables. However,
this increases the graph evaluation time.
In expanded view, this
example shows
eyeq=L127.85,
eye
f=52.86, and
eye
ψ=L18.26.

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)