CS130 - 2/28/2011

1. good news
2. weird news
3. ABC and crumbs; thinking about the situation before and after and instruction
4. Crumbs questions?
5. Task 1 - Addition: First, Ruby will do addition. She must add any two positive numbers. Ruby starts at home with no coins. There is a pile of coins at home, and another just north of home. Ruby's task is to do add them together and lay out their sum, one coin per intersection, starting at home, to the east. Then go home, face east, and halt.
6. Task 2 - multiplication She must multiply any two small positive numbers. Ruby starts at home with a thousand coins in her bag. There is a pile of coins at home, and another just north of home. Ruby's task is to do multiply them and lay out their product, one coin per intersection, starting at home, to the east. Then go home, face east, and halt.
7. An Applet to count button presses (if there's time)