HP 40gs User Manual page 295

Step-by-Step Examples
t
0
x' t ( ) 0
x t ( )
1 –
----- -
2
0
y t ( )
0
y' t ( )
m
0
Now we will graph Γ, which is a parametric curve.
In the Equation Writer, type
X(t) + i × Y(t).
Select the entire expression
and press
Now press
Parametric and press
. Select X1,Y1 as the
destination and press
To make the graph of Γ, quit CAS and choose the
Parametric aplet. Check X1(T) and Y1(T).
Now press
the graph.
π
-- -
3
– 0 +
↓ ↑
3 –
----- -
4
↓ ↓
– 3
--------- -
4
– –1 –
∞
.
, select
.
to see
π
2 π
----- -
3
+ 0
3
↑
1 3
-- - -- -
4 2
↑
0
– 3 3
-------------
4
0 + 2
∞
0
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