Charts are actually inserted as OLE (Object Linking and Embedding) objects. So, while your chart is actually based on data in the spreadsheet, the chart itself is an embedded object.
Since charts are objects (just like graphics from another program), you will find that when you edit your charts, the server (or parent application) in which they were created—StarOffice Chart—will actually open in the StarCalc window. You will then have all the facilities provided by StarOffice Chart to modify your chart.
Click in the sheet where you would like to insert the new chart.
Select the Insert menu, then select Chart. The AutoFormat Chart Wizard will appear (see Figure 10.6