HP Prime Graphing NW280AAABA manual Listing all, Enter radiusGC

You could have entered the command and object name manually, that is, without choosing them from menus. If you enter object names manually, remember that the name of the object in Plot view must be given a “G” prefix if it is used in any calculation. Thus the circle named C in Plot view must be referred to as GC in Numeric view and Symbolic view.

5.Press Eor tap . The area is displayed.

6.Tap .

7.Enter radius(GC) and

tap . The radius is displayed.

Note that the syntax used here is the same as you use in the CAS to calculate the properties of geometric objects.

The Geometry functions and their syntax are described in “Geometry functions and commands” on page 165.

8.Press Pto go back to Plot view. Now manipulate the circle is some way that changes its area and radius. For example, select the center point (A) and use the cursor keys to move it to a new location. (Remember to press Ewhen you have finished.)

9.Press Mto go back to Numeric view. Notice that the area and radius calculations have been automatically updated.

N o t e If an entry in Numeric view is too long for the screen, you can press >to scroll the rest of the entry into view. Press <to scroll back to the original view.

Listing all	When you are creating a
objects	new calculation in Numeric
	view, the	menu item

appears. Tapping gives you a list of all the objects in your Geometry workspace. These are also

Geometry 151