Selecting Parallel from the Trend Line Functions menu draws a parallel line a specified distance from the active trend line. Parallel lines are autonomous. Manipulating one of the parallel lines does not affect the other. To draw a parallel line with the keyboard, follow these steps: 1. Press 2. Press 3. Select Parallel. The trend line cursor changes to a pencil. 4. Press the arrow keys to move the pencil to the point at which you want the parallel line drawn. 5. Press The parallel line is drawn. To draw a parallel line with the mouse, follow these steps: 1. Position the trend line cursor over the trend line next to which you want to draw a parallel line and click the right mouse key. The trend line is selected. 2. Display the Trend Line Functions menu. 3. Select Parallel. The trend line cursor changes to a pencil. 4. Drag the mouse to move the pencil to the position at which you want the parallel line drawn. 5. Click the left mouse key. The parallel line is drawn.Drawing Parallel Trend Lines