Texas Instruments TITANIUM TI-89 - Manual (Page 409)

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
eye
q = L 127.85,
eye f =52.86, and
eye
ψ
= L 18.26.