Sparkline Columns are ideal for when you have an array of (numeric) data in a single cell (e.g. Price data). In this example the History column is shown as a Sparkline.
The Sparkline Column shows that data either as a line, a series of columns or an area graph.
You cannot create or delete Sparkline Columns at run-time but you can edit them (e.g. change the line colour or show tooltips).
AdapTable also allows you to create Sparklines on numeric cell data. Select 'View As Sparkline' from the Column Header menu to seek a Sparkline for all values in the Column.
Alternatively you can select a group of cells in the Column and use the Context Menu to see a Sparkline just for the Selected values.