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Example: Plotting A Circle - HP 39g+ User Manual

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Example: plotting a circle

Aplets and their views
2
Plot the circle, x
+ y
2
±
y
=
9 x
.
To plot both the positive and negative y values, you need
to define two equations as follows:
2
y
=
9 x
and
1. In the Function aplet, specify the functions.
Select
Function
2. Reset the graph setup to the default settings.
-
SETUP
PLOT
CLEAR
3. Plot the two functions
and hide the menu so
that you can see all the
circle.
4. Reset the numeric setup to the default settings.
-
SETUP
NUM
CLEAR
2
= 9. First rearrange it to read
2
y
=
9 x
9
9
2-21

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