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2. Type the replacement name.
3. If you are defining a new relation, position the cursor after the = sign and
type the expression.
4. Press Enter to graph the relation with its new name.
Accessing the Graph History
For each problem, the software stores a history of relations defined in the
Graphs application and 3D Graphing view, such as function graphs f1 through
f99 and 3D function graphs z1 through z99. You can view and edit these items
using a button on the entry line.
Viewing the History
1. Press Ctrl+G to show the entry line.
2. Clickthe History Menu button on the entry line.
The menu is displayed. As you point to the name of each item, its
expression appears in the entry line.
3. Select the name of the relation you want to view or edit.
Graphs Application 205