Exploring the plot, Exploring the plot -11 – HP 38g Graphing Calculator User Manual
Page 75
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Exploring the Plot
Plot view (press [
plot
| or ■ [VIEWS]) gives you a selection
of menu keys to explore a graph further (for the checkmarked
expressions in the Symbolic view).
The options vary from
aplet to aplet.
PLOT View
Keys
Key
Meaning
■ [CLEAR]
Erases the plot.
■ [VIEWS]
Offers additional pre-defined views for
splitting the screen and for scaling
(“zooming") the axes.
■ a
■
0
Moves cursor to
far left
or
far right.
([ZOOM]}
Displays ZOOM menu list.
([TRACE]}
Turns Trace mode on/off. The ■ appears
when Trace mode is on
({{
trac
*}}).
{ { ( X , Y ) } }
Displays the cursor’s coordinate position.
Press
{{MENU}}
to restore the menu.
({FCN}}
Function aplet only: Turns on menu list for
root-finding functions
(see “Interactive Root-
Finding, ’’ later in this chapter}.
([DEFN]}
Displays the current,
defining
expression.
Press
{{MENU}}
to restore the menu.
({MENU}}
Turns menu-key labels on and off. When the
labels are off, any top-row key turns them
back on.
Plotting and Exploring Functions 3-11