Watch for this symbol in the margin. It identifies
examples or keystrokes that are shown in RPN
mode and must be performed differently in ALG
Appendix C explains how to use your calculator in ALG mode.
Turning the Calculator On and Off
To turn the calculator on, press
To turn the calculator off, press
key, then press
calculator has Continuous Memory, turning it off does not affect any information
To conserve energy, the calculator turns itself off after 10 minutes of no use. If you
see the low–power indicator (
possible. See appendix A for instructions.
Adjusting Display Contrast
Display contrast depends on lighting, viewing angle, and the contrast setting. To
increase or decrease the contrast, hold down the
. ON is printed below the key.
(which has OFF printed in purple above it). Since the
) in the display, replace the batteries as soon as
. That is, press and release the
key and press