Personal finance software (unlikely to have CAD tutorials).
Do not despair. Here is a practical roadmap to getting the information you need, formatted as a PDF if necessary. gnacad tutorial pdf
GNACAD is a command-line tool for Windows (though it runs on Linux via Wine). It is not a clickable GUI application. This is why a is so essential—new users expect a graphical interface. Personal finance software (unlikely to have CAD tutorials)