After the multi-dimensional sensitivity, it was just about time for the User Interface for Process Flowsheeting to get the long-awaited usability boost: support for different units of measurements.
As of pre-alpha version 1.0.748 available on gitorious there is now a global option in the Settings menu, which is persistent on closing / reopening the program:
Also each field has a local option which is volatile (will be reset to the global option when the program is closed / reopened):
Finally the sensitivity analysis UI has been updated with units:
Of course the data storage to the database and all internal operations are in SI units.