HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 213

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the illustration above, tapped , changed one or both of the point’s coordinates, and tapped
, you would nd, on returning to Plot view, a circle of a dierent size.
Creating objects
You can also create an object in Symbolic view. Tap , dene the object—for example, point(4,6)
—and press . The object is created and can be seen in Plot view.
Another example: to draw a line through points P and Q, enter line(GP,GQ) in Symbolic view and press
. When you return to Plot view, you will see a line passing through points P and Q.
The object-creation commands available in Symbolic view can be seen by tapping . The syntax for
each command is given in Geometry functions and commands on page 189.
Reordering entries
You can reorder the entries in Symbolic view. Objects are drawn in Plot view in the order in which they are
dened in Symbolic view. To change the position of an entry, highlight it and tap either (to move it
down the list) or (to move it up).
Hiding an object
To prevent an object displaying in Plot view, deselect it in Symbolic view:
1. Highlight the item to be hidden.
2.
Tap .
– or –
Select the check box for an object and press to select it and press to clear it.
Repeat the procedure to make the object visible again.
Symbolic view in detail 165
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