[Note: this webpage last modified Friday, 04-Feb-2011 19:44:51 EST]
Something cool about CS, something you can do with CS...
Or, is there a problem in the book you'd like to talk about?
Adinistrative...
Questions on homework or quiz?
Exam next Friday (september 24) - sample exam and topics list will be out next Monday (september 20).
Office hours today.
Reading for today is delayed until next time.
Hand out study/reference sheet.
Note: see anything to add - then add it!
Sample code -- will be made available later on tonight so you have to figure these out on your own...
Class activity -- mirroring a picture from right 1/3 into left 1/3, leaving the middle 1/3 untouched.
Class activity -- create a new picture that uses makeEmptyPicture to create a new picture that has two copies of the original picture that are side by side.
Class activity -- create a new picture that uses makeEmptyPicture and creates a new picture with the same dimensions as the original but with four copies of the original (so each one is 1/2 the width and 1/2 the height).
Class activity -- rotating a picture onto a new picture created by makeEmptyPicture
For next time - into chapter 5 to see what "if/conditionals" are.
And make sure to take the quiz, and type things into JES to try them out!