After using Mathematica for a while, you start to think you are on top of the richness of the language. You become familiar with a range of different functions and programming styles. But in fact, you haven’t even scratched the surface.

I can’t emphasize enough how important it is to look up the documentation from time to time, even for the functions you think you already know. There are so many options and additional arguments to workhorse functions that you might not have appreciated. Here are a few of my favorites. Some of them were noted in a question I once asked about the issue. …