Free Points

I am totally confused. We had an exam in one of my classes today. It was on the computer. Apparently the prof likes to make the most of being stuck in a computer lab for a class that doesn't require it. That's not the confusing part.

So I take this exam, there are 21 questions. They're worth varying points, and in the end there is a total of 23 points. Being an electronic exam, I can check my grade pretty quickly. I missed 3.5 points, taking me down to a total of 19.5. My grade, however, shows me having 19.5/20. Where did the other three points go? I'm all for having an A instead of a B, but I'd like to know how that worked out. Maybe she grades on a curve. That'd be pretty neat.

RANDOM!!