abs = student was absent when work was assigned or due. Student can make up assignment within a week. "Abs" doesn't count for or against grade.
mi = student did not turn in work. "mi" counts as zero points. Can be turned in within a week for some credit.
have = student turned in work but it has not yet been graded. "have" doesn't count for or against grade.
E = student is excused from doing piece of work. "E" doesn't count for or against grade.
inc = incomplete. "incomplete" = 60% of total points until work is finished and turned in within a week.
copy = work or part of work did not originate with the student OR student allowed another student to copy from them. "copy" counts as zero points.