HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 51

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On/o, cancel operations
To turn on
Press to turn on the calculator.
To cancel
When the calculator is on, pressing the key cancels the current operation. For example, it will clear
whatever you have entered on the entry line. It will also close a menu and a screen.
To turn o
Press (O) to turn the calculator o.
To save power, the calculator turns itself o after several minutes of inactivity. All stored and displayed
information is saved.
The Home View
Home view is the starting point for many calculations. Most mathematical functions are available in the Home
view. Some additional functions are available in the computer algebra system (CAS). A history of your
previous calculations is retained and you can reuse a previous calculation or its result.
To display Home view, press .
The CAS View
CAS view enables you to perform symbolic calculations. It is largely identical to Home view—it even has its
own history of past calculations—but the CAS view oers some additional functions.
To display CAS view, press .
Protective cover
The calculator is provided with a slide cover to protect the display and keyboard. Remove the cover by
grasping both sides of it and pulling down.
You can reverse the slide cover and slide it onto the back of the calculator. This will ensure that you do not
misplace the cover while you are using the calculator.
To prolong the life of the calculator, always place the cover over the display and keyboard when you are not
using the calculator.
On/o, cancel operations 3
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