Let's Roll

21-260: Differential Equations

Course Description


Instructor and TA's

Course Schedule and Homework

Grading Information

Other Course Policies

Frequently Asked Questions


The course will have three mid-term exams and a final exam. The mid-term exams will be given on

Exam #1: Wednesday 15 February
Exam #2: Wednesday 22 March
Exam #3: Wednesday 19 April Friday 14 April

The Exams will be closed book and calculators will not be allowed. If you miss a scheduled exam, a makeup will be given with a significant penalty. In case of documented illness or family emergency or documented University sponsored trips the penalty will not apply.

The final exam has not yet been scheduled. It may take place as late as May 16. If you must make travel plans before the exam schedule is released, you should not schedule your departure from campus before May 17. No student will be allowed to take the final exam early.


Homework will normally be assigned weekly, and turned in on Fridays. You may turn in your homework at the begining or end of Friday's lecture or put it in you TA's mailbox before 3:20pm on the due date. The TA's mailboxes are in WEH 6113. Homework turned in after 3:20 will be regarded as late.

Late homework assignments will be accepted until solutions to the problem set are provided, usually the Recitation after the original due date. The first late homework will be given full credit. Thereafter, the late assignments will be penalized. The second will be given half credit, the third 1/3 credit, and so on. The tenth late homework and any subsequent late homeworks will be given no credit.

Grade Computation

The final grade for the course will be determined by your performance on the homework and quizzes, the three midterm exams, and the final exam. The weights for computing your final average will be:
Homework        15%
Midterms        60%
Final exam      25%

Letter Grades

The grade cutoffs for assigning letter grades will be

A: > 85, B: 75-84, C: 65-74, D: 50-64, R: < 49

for homeowrk assignments. Grade cutoffs for the Mid-term and Final exams will be determined after each exam. Grade cutoffs for final grades will be computed by averaging the grade cutoffs for each assignmnet