We discuss a comment on a previous post stating that the text of labels on the vertical axis of graphs must be horizontal by discussing the pros and cons of four possible positions for these labels.

How to Plot Two Things on the Same Y Axis in Excel. Properly formatted charts and graphs can help you grasp the patterns and trends hidden within the raw data of an Excel spreadsheet. For example ...

The graph of y = 2 x 2 crosses the y -axis at (0, -2). The constant term in the equation (the + 1 or ‒ 2) shows the point where the graph crosses the y -axis.

For example, on this graph, the vertical axis goes up in steps of 2 degrees. Even though 7 degrees and 9 degrees are not shown, they are still represented between the labeled points.