HP 39g Graphing Calculator - Manual (Page 14)

The display
To adjust the
contrast
Simultaneously press | ON | and 0 Q) increase (or
decrease) the contrast.
To clear the
display
Press CANCEL to clear the edit line.
Press | shift | cl £/ i /; to clear the edit line and the display
history.
Parts of the
display
FUNCTION , Ш
б'^З
History — 18
SA5
Edit line — тэ
SEB НН ВИВ ВШН ВЯНЯ HBj
-Title
Menu key
labels
Menu key or soft key labels. The labels for the menu keys’
current meanings. is the label for the first menu key in
this picture. “Press @M3’’ means to press the first menu key,
that is, the leftmost top-row key on the calculator keyboard.
Edit line. The line of cuirent entry.
History. The HOME display ([ home |) shows up to four 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 aplet is displayed at the top of
the HOME view. RAD, GRD, DEG specify whether Radians,
Grads or Degrees angle mode is set for HOME. The ▼ and
a
symbols indicate whether there is more history in the HOME
display. Press the and Q to scroll in the HOME display.
NOTE The HP 40G is packaged with a computerized algebra system
(CAS). Press WiT-1 to access the computerized algebra system.
This User’s Guide contains images from the HP39G and do
not display the menu key label.
1-2 Getting started