http://interval.louisiana.edu/courses/450/450grade.html

Math. 450 Required Work

There will be a combination of in-class assignments and projects.  The projects may be individual projects and may be group projects.  Specifics will be announced in class.

Math. 450 Grading Policy

Actual weights (how much the assignments and projects will count for the final grade) will be announced in class. At any point, you may estimate your grade according to the following scale:
         90%-100% = "A";
         80%-89%  = "B";
         65%-79%  = "C";
         50%-65%  = "D";
         <50%     = "F".