## Editing an expression

Basic editing options are supplied to edit the expression:

- Select - Selection is performed similar to any program, by dragging the mouse to highlight the desired area. Objects can also be selected by double clicking on them. You can select all the objects on the workspace by using Select All on the menu, or Ctrl+A on the keyboard.

- Cut � Select the desired area to cut, then either click the Cut button or use Ctrl+X on the keyboard.

- Copy � Select the desired area to copy, then either click the Copy button or use Ctrl+C on the keyboard.

- Paste � Once a selection has been copied, it can be pasted into any box, by clicking on the box to select it, and then either clicking the Paste button or using Ctrl+V on the keyboard.

- Delete � Delete is performed by selecting the area to delete and pressing delete on the keyboard.

- Undo � You can perform an undo by clicking the Undo button

- Redo � You can perform a redo by clicking the Redo button

- Open � Saved expressions can be opened from a file using the Open button

- Save � Expressions can be saved to a file using the Save button