
Deleting an object
As well as deleting an object in Plot view (see Clearing an object on page 159) you can delete an object in
Symbolic view.
1. Highlight the denition of the object you want to delete.
2.
Press .
To delete all objects, press . When prompted, tap to conrm the deletion.
Symbolic Setup view
The Symbolic view of the Geometry app is common with many apps. It is used to override certain system-
wide settings.
Numeric view in detail
Numeric view ( ) enables you to do calculations in the Geometry app. The results displayed are
dynamic—if you manipulate an object in Plot view or Symbolic view, any calculations in Numeric view that
refer to that object are automatically updated to
reect the new properties of that object.
Consider circle C in the following gure. To calculate the area and radius of C:
1.
Press to open Numeric view.
2.
Tap .
166 Chapter 9 Geometry
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