HP 40gs - Manual (Page 295)

Step-by-Step Examples 16-21
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 , select
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 to see
the graph.
t 0 π
0 – 0 + + 0
↓ ↑ ↑
0 ↓ ↓ ↑ 0
0 – –1 – 0 + 2
m 0 ∞ 0 ∞
π
3
---
2 π
3
------
x' t ( )
3
x t ( ) 1 –
2
------
3 –
4
------
1
4
---
3
2
---
y t ( )
3 –
4
----------
3 3 –
4
-------------
y' t ( )
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