Unformatted text preview: rned the calculator off, the calculator, including
the display and any error condition, returns exactly as you left it. Turning the Calculator Off
When you press $ to turn the calculator off:
The displayed value is cleared.
Any unfinished standard-calculator operation is canceled.
Any worksheet calculation in progress is canceled.
Any error condition is cleared.
The Constant Memory feature retains all worksheet values and
settings, including the contents of the 10 memories and all format
settings. The Automatic Power Down Feature (APD )
To prolong the life of the battery, the Automatic Power Down (APD )
feature turns the calculator off automatically if you do not press any key
for approximately 10 minutes. Using the Keys
The primary function of a key is indicated by the symbol on the face of the
key. Throughout the manual, primary functions are shown in boxes: Secondary Functions
Second functions are marked above the keys. To access the second
function of a key, press
before pressing the key. Throughout the
manual, second functions are shown in brackets and are preceded by the
key symbol: 2 Chapter 1: Overview of Calculator Operations Understanding the Display
The display shows entries and results with up to 10 digits. The display
indicators provide information about the status of the calculator and tell
you what keys are available at different times. ABC represents the spaces where the three-letter abbreviations for the
variable labels are displayed. Display Indicators
Indicator Meaning 2nd The calculator will access the second function of the
next key pressed. INV The calculator will access the inverse function of the
next key or key sequence pressed. HYP The calculator will access the hyperbolic function of the
next key or key sequence pressed. COMPUTE You can compute a value for the displayed variable by
. ENTER You can enter a value for the displayed variable by
keying in a value and pressing
. SET The displayed variable is a setting t...
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- Summer '09