HP 39g Graphing Calculator - Manual (Page 49)

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
The following table details the keys that you use to work with
keys *e graph.
Key Meaning
1 SHIFT |CL£Afi Erases the plot and axes.
1 VIEWS 1 Offers additional pre-defined views for
splitting the screen and for scaling
(“zooming”) the axes.
Ì sìhìftì F ì I
1 SHIFT 1 [►!
Moves cursor lo far left or far right.
В
Moves cursor between relations.
в
Ш!Шог |ON| Interrupts plotting.
Continues plotting if inten'upted.
ISIl'ZW
Turns menu-key labels on and off. When
the labels are off, pressing turns
them back on.
• Pressing 1йИ;Р1 once displays the
full row of labels.
• Pressing lil'^'IPI a second time
removes the row of labels to display
only the graph.
• Pressing 1йЙгР1 a third time displays
the coordinate mode.
HttaSI
Displays ZOOM menu list.
Turns trace mode on/off. A white box
appears over the В on
Opens an input form for you to enter an X
(or Tor A or 0) value. Enter the value and
press ШЗ. The cursor jumps to the point
on the graph that you entered.
im : i Function aplet only: Turns on menu list
for root-finding functions {see “Analyse
graph with FCN functions” on page 3-3.
rana
Displays the current, defining
expression. Press to restore the
menu.
Aplets and their views 2-7