2. User Interface

User interaction with the VDP has been made as simple as possible.

  • Using Excel as the backbone because of its familiarity.
  • Using navigation buttons (picture icons) to go straight to various input or analysis sheets without searching for them.
  • Using a graphical sheet layout for each component with only the inputs and results pertaining to that component shown.
  • Setup sheets with validated dropdown boxes to aid inputs.
  • A built in database to store and recall setups.


The extract below shows the title sheet from the VDP indicating the navigation buttons

VDP index page

An extra tool bar is placed at the top of the workbook for ease of navigation. The picture icons and their uses are explained here. This sheet also contains information on the current version of the VDP etc.

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