LECTURES: Tuesday and Thursday 10:30-11:45 REC 313, lecturer Alex Eremenko office MA 612, hours: Monday and Wednesday 1:30 + by appointment ph.: 494-1975, e-mail eremenko@math.purdue.edu HOMEWORK: Due every Tuesay, before the lecture starts, LATE HOMEWORK: not accepted GRADER: Yanhong Zhao, MA 701, yhzhao@math.purdue.edu EXAMINATION: 2 midterm exams and a final exam GRADE COMPOSITION: midterm exams 20% eacH final exam 40% homework 20% BOOK: Rosen, Discrete Mathematics and its Applications, 4-d ed., McGrow Hill, 1999.