Pardon the French, but what the @#$% is the 4.0 GPA scale?

[BirdKiller]

<p>Ours:</p>

<p>90%-100% = 4.0 = A
80%-89% = 3.0 = B
70%-79% = 2.0 = C
60%-69% = 1.0 = D</p>