The blue bar along the bottom of the chart has a number of options which allow you to show information about selected operators. The option bar can be hidden when necessary – click “Hide”.

Click on an option on the option bar to see how it works. One of the options on the option bar is “help” – clicking on this will give more detailed information about the options.

The plotted points are all interactive. This means you can use your mouse to hover over the points and see information about the data.