Drawing a 3D Graph
Example 2: To graph a parametric equation
uClassPad 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). k9Tst)*cs)
(4)Press E.
(5)In line Yst1 input cos(t) × cos(s). ct)*cs)
(6)Press E.
(7)In line Zst1 input sin(s). ss)
(8)Press E.
(9)Tap %to graph the parametric equation.
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