The number is 822-5168. If he is not in, leave a message on his answering machine, or with one of the departmental secretaries, who can be reached at 822-2561. If this time is not convenient, please contact Prof. Krause about making alternative arrangements. Please ask the bookstore for the answer to this question.
Attendance is mandatory.
Moreover, a significant portion of your mark will be based on the quality of your participation in the discussion sections. In fact, you cannot enroll in H332 unless you are free to attend one of the Wednesday discussion sections. However, if you encounter any kind of personal or medical emergency, please inform Prof. Krause in advance of the deadline, of course and suitable arrangements can be made.