In the Formula Editor, you can drag any selectable part of a formula to any other selectable location.
To click and drag in a formula, follow these steps:
1. Place the arrow cursor inside an expression.
2. Click the expression.
3. Drag across the formula.
Destination expressions have a dotted outline.
Figure 7.19 Dragging an Expression
4. Drag the selected expression to the new location.
The selected expression is moved to the new location, where it replaces the existing expression.