Possible Duplicate:
How to deal with questions from people who don't know enough to ask?
I don't like this question, but I don't know how to deal with it.
From the FAQ, "Stack Overflow is for professional and enthusiast programmers".
I fall in to the second part of that statement, but I would think even the professionals would know how to deal with a negative number :)
I don't think the question is off-topic, but....
I want to flag it, but what flag is suitable?