Free Dependent and Auxiliary Objects

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There are two types of objects in GeoGebra: free and dependent. Some of them can be defined to be auxiliary.

Free objects
are objects whose position or value doesn't depend on any other objects. They are created by direct input or e.g. Tool New Point.gif Point Tool. They can be moved, unless they are fixed.
Dependent objects
are objects that depend on some other objects. They are created using tools and commands.
Auxiliary objects
are either objects which are defined to be auxiliary by user, or objects which were created by specific tools, e.g. Tool Regular Polygon.gif Regular Polygon Tool. Spreadsheet cells are also considered to be auxiliary. They have their separate place in Algebra View.
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