Lists of Excel Math, Trigonometry and Statistical Functions
At this point you know quite a bit about Math functions in Excel. But this guide would not be complete without linking to the comprehensive list of Math functions.
So, here are the links to Microsoft's documentation of the mathematical functions in Excel.
I suggest that you browse these lists, just to get a sense of what can be accomplished with mathematical functions in Excel. And refer to them, of course, whenever you need a specific mathematical function.
Math and trigonometry Excel functions