text: **3.4 Graphical Data Visualisation Tool**
  
  This section describes the features of the graphical visualisation tool for numeric data. The features 
  are currently available for XLS (Excel) and CSV files, except for the selection of the sheet name which 
  is applicable only for Excel files. 
  
  Most GUI elements from the “Graph” tab (records selection, search box, filters and fields buttons) 
  are also available on the “Grid” tab and work in the same way. 