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Computer Science 20

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Computer Science 20

All the Math you need for your Computer Science courses

that you won’t learn in your Math Courses

Discrete Mathematics for Computer Science

b

a

c

d

f

Formal logic (p∨q) ∧¬(p∧q)

Graphs and digraphs

Probability

Counting

Number theory p ≡ qr (mod m)

… see the “placement test” on the web site

- How to do proofs
- By contradiction
- By induction
- …

- How to read and write mathematics
- And typeset!

- How to collaborate
- How to present clearly and persuasively

Learning, not competing

Learn by doing, not by listening

Many small bites

- Before class:
- Reading and check-in problems (30-60 mins)

- In class
- Mini-lecture (10-20 mins)
- Collaborative problem solving in groups of 4 (30-40 mins)

- After class and before next class
- Homework (60-90 mins)

- So class week =
- 3 hours class time
- ≤ 7.5 hours out-of-class time

- Most readings from MIT course notes

- Attendance is mandatory!
- See “Course policies” for details
- Official/emergency absences ⇒ email cs20@seas.harvard.edu
- Class begins at 10:10 sharp
- Homework boxes removed at 10:15, no late submissions

- 2 hour exams
- 3-hour final during exam period

Homework35%

Midterms (2)30%

Final exam25%

Check-in questions10%

(Poor attendance: Exclusion or failure)

- Web site
- Where schedule, HWs, slides, etc. are posted

- TFs
- See calendar on web site for office hours

- Volunteers
- Piazza (after study card day)
- Tool for answering check-in questions (see course home page and get an account!)
- Reading assignments and check-in questions are on the check-in tool