Codes & pictures

Stop 1 Colour by numbers Screen-free lesson Stop 2 Error detection and correction (unit) Screen-free lesson Stop 3 Image Representation (unit) Screen-free lesson Stop 4 Parity magic Screen-free lesson Stop 5 Squeezing pictures into less space Screen-free lesson Stop 6 Instructional writing Screen-free lesson Stop 7 Parity magic Screen-free lesson Stop 8 Parity magic: programming challenges Screen-free lesson Stop 9 Product code check digits Screen-free lesson Stop 10 Product code check digits: programming challenges Screen-free lesson