Awarding USE grades involves two stages. In this system, a "primary grade" is the sum of points for completed tasks, with each of the tasks having a maximum number of points allocated to it. The maximum total primary grade varies by subject, so that one might obtain, for instance, a primary grade of 23 out of 37 in mathematics and a primary grade of 43 out of 80 in French. The primary grades are then converted into final or "test grades" by means of a sophisticated statistical calculation, which takes into account the distribution of primary grades among the examinees. This system has been criticized for its lack of transparency.