20060301
Example 2: To graph a parametric equation
u
 ClassPad Operation 
  (1) In the 3D Graph application, make the 3D Graph Editor window active. 
  (2) Tap 
 to specify input of a parametric equation. 
  (3) Tap line Xst1, and then input sin(
t
) × cos(
s
).
 k
9T
s
t
)*
c
s
)
  (4) Press 
E
.
  (5) In line Yst1 input cos(
t
) × cos(
s
).
c
t
)*
c
s
)
  (6) Press 
E
.
  (7) In line Zst1 input sin(
s
).
s
s
)
  (8)
 
Press 
E
.
  (9)
 
Tap 
%
 to graph the parametric equation.
5-3-4
Drawing a 3D Graph