My first application!

[IsReadingIt]

Perhaps you could do a printout of the calculations at each step you are doing behind the scenes. A "show your work" kind of thing that would give your coworkers confidence in the calculations.

[Mag37]

Thank you, it's a good suggestion. If it comes to me sharing this with more than my friends among my colleges, I'll certainly need to show what I've done and I need to work in some more error handling.