[It's okay, Flora is also a huge nerd, but she only wishes that her friend were here because she would certainly answer his questions much more thoroughly.]

Arithmetic or logical operations, but I think that's how it always works, when you get down to the bottom of it. Everything it can do it does by processing instructions that a user gives it in the form of data.

[Is that right, it sounds right. Maybe?]

What that translates to, though, is a lot. And you can use them as calculators, but they have so many other uses.