HP 39g+ - Manual (Page 47)

Aplets and their views 2-7
Exploring the graph
Plot view gives you a selection of keys and menu keys to
explore a graph further. The options vary from aplet to aplet.
PLOT view
keys
The following table details the keys that you use to work with
the graph.
Key Meaning
>6+,)7@
CLEAR Erases the plot and axes.
>9,(:6@
Offers additional pre-defined views for
splitting the screen and for scaling
(“zooming”) the axes.
>6+,)7@*>,
>6+,)7@*A,
Moves cursor to far left or far right.
*k,
*e,
Moves cursor between relations.
Q6VT@• or
>21@ Interrupts
plotting.
8PIU• Continues plotting if interrupted.
H@IV• Turns menu-key labels on and off. When
the labels are off, pressing
H@IV• turns
them back on.
• Pressing H@IV• once displays the
full row of labels.
• Pressing H@IV• a second time
removes the row of labels to display
only the graph.
• Pressing H@IV• a third time displays
the coordinate mode.
aPPH• Displays ZOOM menu list.
US68@• Turns trace mode on/off. A white box
appears over the
@• on US68@• .
BPUP• Opens an input form for you to enter an X
(or T or N or
θ
) value. Enter the value and
press PF• . The cursor jumps to the point
on the graph that you entered.
A8I• Function aplet only: Turns on menu list
for root-finding functions (see “Analyse
graph with FCN functions” on page 3-3.
9@AI• Displays the current, defining
expression. Press
H@IV• to restore the
menu.