Getting Started; Power On And Off; Continuous Memory; Adjusting The Display Contrast - HP 17bll+ User Manual

Getting Started

Watch for this symbol in the margin. It identifies examples
v
or keystrokes that are shown in ALG mode and must be
performed differently in RPN mode. Appendixes D, E, and F
explain how to use your calculator in RPN mode.
The mode affects only arithmetic calculations—all other operations,
including the Solver, work the same in RPN and ALG modes.

Power On and Off; Continuous Memory

To turn on the calculator, press
the key). To turn it off, press
called o (note OFF printed above the key). Since the calculator has
Continuous Memory, turning it off does not affect the information you've
stored there.
To conserve energy, the calculator turns itself off after 10 minutes of no
use.
If you see the low battery symbol (
should replace the batteries as soon as possible. Follow the instructions
on page 224.

Adjusting the Display Contrast

The display's brightness depends on lighting, your viewing angle, and
the display contrast setting. To change the display contrast, hold down
the C key and press
C (clear) (note ON printed below
and then
@ C
) at the top of the display, you
+ or - .
. This shifted function is
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