2 Getting started
The display
To adjust the
contrast
To adjust the contrast, press and hold O, then press
the
+
or
w
keys to increase or decrease the
contrast. The contrast will change with each press of the
+
or
w
keys.
To clear the display • Press CANCEL to clear the edit line.
• Press
SCLEAR once to clear an active edit line and
again to clear the display history.
Parts of the
display
Menu key labels. The top row of keys on the HP 39gII
keyboard (F1-F6) are the menu keys. These keys give you
access to the menu items shown at the bottom of the
display. is the label for the first menu key in the
figure above. "Press " means press the F1 menu key.
Edit line. The line of current entry.
History. The Home display (
H
) shows up to 6 lines
of history: the most recent input and output. Older lines
scroll off the top of the display but are retained in
memory.
Title. The name of the current app is displayed at the top
of the Home view. RAD or DEG specifies whether Radians
or Degrees is the current angle measurement mode. The
 and  symbols indicate there is more history in the
display. Press
\and=to scroll in the history display.
Title
Edit line
History
Menu key
labels
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