Add a Line to a Graph

To add a line to a graph:
  1. Click the line icon line icon in the Graph toolbar, or select Insertthen selectLine from the main menu.
  2. Position your cursor at a starting position in the graph.
  3. Click and drag to create the line in the graph.
    You can control the line as follows:
    • If you press the CTRL key and then click and drag, the line is created from the center and moves outward.
    • If you press SHIFT and then click and drag, then the line's orientation stays in multiples of 15 degrees. You can create a perfect horizontal or vertical line this way. You can also rotate the line in 15 degree increments to create a diagonal line.
    • If you press CTRL+SHIFT and then click and drag, the line is created from the center, moves outward, and can be rotated in 15 degree increments.
You can add text to the line. For instructions, see Add Text to an Annotation.