I recently sat down and built something more complicated than simple accounting in a spreadsheet. It's what I considered to be a pretty typical usecase for a non-math related sheet; taking in several tables of data and selectively joining them. You enter an ID, press a button, and it finds all of the data related to that ID and presents it to you. I was horrified to find that even with the supporting scripting capabi…
I don't want to defend Excel too much, as it is not ideal in many ways. Nevertheless, over time, I found myself using it more and more to prototype and visualize data. With magic features like Pivot charts, Flash fill, and Data tables you can hammer out a one-off "app" in a matter of minutes.