Module 7 Unit 9 handout

And here's unit 9 handout, last unit this term.
Remember: module 6 retake and module 7 exam will be held on Thursday 6th March and Thursday 13th March respectively, both at 5 pm.
And a new reminder for 3 E-F-G-H students: next week we'll meet again on Wednesday, room 2002, either 6 to 7 or 7 to 8.