2.9 Updating Graphs Automatically
Right-clicking on a graph the following menu appears:
If the automatic update is activated, the graph changes as the data used to construct it changes (either by adding, modifying or removing some data).
When any value in the worksheet is changed the graph can be updated at that moment (Update graph now) but it will not be updated automatically when further changes are done.
The icon that appears in the left superior corner of the graph indicates whether it has been updated or not, according to the next code: