Texas Instruments TITANIUM TI-89 User Manual
Page 406

3D Graphing
406
Note:
From the Graph screen, you can switch to the other graph format styles by
pressing:
Í
However, to return to IMPLICIT PLOT press:
8 Í
•
The viewing angle is set initially so that you are viewing the plot by looking down the
z axis. You can change the viewing angle as necessary.
•
The plot is shown in expanded view. To switch between expanded and normal view,
press
p.
•
The Labels format is set to OFF automatically.
and then set
Style = IMPLICIT PLOT
.
Style
x
2
–y
2
=4
z1(x,y)=x
2
–y
2
–4
sin(x)+cos(y)= e(x
ù
y)
z1(x,y)=sin(x)+cos(y)–e(x
ù
y)
IMPLICIT
PLOT