My experience

Overview

UVC systems for large industrial/commercial HVAC coils.

Excel is HUGE in the working world, much more common than I originally thought. You can often do things easier in a real coding application, but when you have to email representatives at big companies, their firewall almost always blocks something that looks even remotely suspicious. Also a majority of people don't know how to code and would have an aneurysm trying to figure it out if it's not an excel document.