The first thing to remember when defining weights is that they will be normalized when computing grades. For example, if only three weights were provided and they have a value of 5, 5, and 10, respectively, then the first two would each represent 25% of the grade and the third would represent 50% of the grade.
Weights are only used when the "Weighted Average" method is selected when grades are computed.
Assignment weights only apply to the category in which the assignment is found. Category weights only apply to the subject in which the category is found.
A zero weight for an assignment is used for no credit assignments. Regardless of the method selected for computing grades, no credit assignments are not included in the calculation of the category grade.
A negative weight for an assignment is used for extra credit assignments. It is not used when normalizing other weights. The weight is made positive and then used to determine the effect it will have on the category grade. For example, an assignment with a weight of -0.01 can increase the category grade by a maximum of 1%. Regardless of the method selected for computing grades, extra credit assignments are added to the category grade after the category grade is computed.
A zero weight is also allowed for the category weight. This will prevent the category grade from contributing to the subject grade.
