User blog comment:Tanglefrost/YAAAAAAAAAAAAY/@comment-24740423-20141112235226/@comment-5277627-20141113061857

(It's called a typo, dummy. xD)

The Australian grading system has 5 grades:

A, B, C, D, E

A, B, and C are all passes.

D and E are fails.

Something like C+ means you are almost at the next grade above (in this case, a B).

Does that make sense?