Expert users can follow the flow chart below in order to customize descriptor calculation. The operations to be carried out are the following:
| 1. | open the window 'General settings' by clicking 'Settings' in the menu bar, then select your settings in the calculation and export tabs; exit the window clicking the button 'Accept'; |
| 2. | click the shortcut 'Molecules'  to load the molecular structure files of interest; |
| 3. | click the shortcut 'Descriptors'  to select and calculate molecular descriptors; |
| 4. | click the shortcut 'Export'  to store the calculated molecular descriptors into one or more output files. |
