HP Prime Graphing Wireless Calculator Uživatelský manuál Strana 57

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The options available depend on the context, that is, the view you are in. Note that the menu items are
activated by touch.
There are two types of buttons on the context-sensitive menu:
Menu button—tap to display a pop-up menu. These buttons have square corners along their top (such
as in the illustration above).
Command button—tap to initiate a command. These buttons have rounded corners (such as
in the illustration above).
Entry and edit keys
Keys Purpose
to
Enter numbers.
or
Cancels the current operation or clears the entry line.
Enters an input or executes an operation. In calculations, acts like “=”. When
or is present as a menu key, acts the same as pressing
or .
For entering a negative number. For example, to enter –25, press 25.
NOTE: This is not the same operation that is performed by the subtraction key ( ).
Displays a palette of preformatted templates representing common arithmetic expressions.
Enters the independent variable (that is, either X, T, θ, or N, depending on the app that is currently
active).
Entry and edit keys 9
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