For example, you could show line graphs for temperature and humidity on top of each other. For this purpose, Excel lets you add a series of data to a chart and plot it on a second y-axis.

How to add a single vertical bar to ... Be sure to right-click the orange bar and not the line chart. In the Format Data Series pane, click Secondary Axis and change the Gap Width to 500%, as ...

Microsoft Excel can present two series of data points together on the horizontal axis ... selection is a bar chart, because it allows you to format the second series as a line.

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects ... creating Dynamic charts in Excel.