HP 39g Graphing Calculator Uživatelská příručka Strana 75

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Parametric aplet 4-3
Overlay plot 8. Plot a triangle graph over the existing circle graph.
>6+,)7@
PLOT
*e,
120
>9,(:6@
Select Overlay Plot
A triangle is displayed
rather than a circle
(without changing the
equation) because the changed value of TSTEP ensures
that points being plotted are 120° apart instead of nearly
continuous.
You are able to explore the graph using trace, zoom, split
screen, and scaling functionality available in the
Function aplet. See “Exploring the graph” on page 2-7
for further information.
Display the
numbers
9. Display the table of numeric values.
>180@
You can see there is a
column of t-values.
This column is active in
the sense that you can
highlight a t-value, type in a replacement value, and see
the table jump to that value. You can also zoom in or
zoom out on any t-value in the table.
You are able to explore the table using , ,
build your own table, and split screen functionality
available in the Function aplet. See “Exploring the table
of numbers” on page 2-18 for further information.
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