Automating the dull, dirty, and dangerous parts of work can make some of the worst jobs bearable. From there, we can at least attempt to create an enjoyable work life.
Most people need only simple tools, and are often restricted in the software they can install, so most of my development has used excel. This also allows users the ability to customize the tools as desired.
Forecasting is one of the more computationally intensive tasks, so I have built a standalone application to built truly dynamic and effective forecasts. While many principles have held over time, new contexts can require significant rewrites.