Beep, Key Click, And Last Stack - HP F2226A - 48GII Graphic Calculator User Manual

Graphing calculator
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Press the H button. Next, use the down arrow key, ˜, three times.
Select the Angle Measure mode by either using the \ key (second from
left in the fifth row from the keyboard bottom), or pressing the @CHOOS soft
menu key ( B).
keys,— ˜, to select the preferred mode, and press the !!@@OK#@ F soft
menu key to complete the operation.
screen, the Polar coordinate mode is selected:

Beep, Key Click, and Last Stack

The last line of the CALCULATOR MODES input form include the options:
By choosing the check mark next to each of these options, the corresponding
option is activated. These options are described next:
_Beep : When selected, , the calculator beeper is active. This operation
mainly applies to error messages, but also some user functions like
BEEP.
_Key Click : When selected, each keystroke produces a "click" sound.
_Last Stack: Keeps the contents of the last stack entry for use with the functions
UNDO and ANS (see Chapter 2).
The _Beep option can be useful to advise the user about errors. You may
want to deselect this option if using your calculator in a classroom or library.
The _Key Click option can be useful as an audible way to check that each
keystroke was entered as intended.
The _Last Stack option is very useful to recover the last operation in case we
need it for a new calculation.
To select, or deselect, any of these three options, first press the H button.
Next,
If using the latter approach, use up and down arrow
_Beep _Key Click _Last Stack
For example, in the following
Page 1-24

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