Changing the State of Variables

• Memory for Functions
• Assignment to Variables
  • Simple Assignments at Work
  • Sequencing Expression Evaluations
  • Assignments and Functions
  • A First Useful Example
• Designing Functions with Memory
  • The Need for Memory
  • Memory and State Variables
  • Functions that Initialize Memory
  • Functions that Change Memory
• Examples of Memory Usage
  • Initializing State
  • State Changes from User Interactions
  • State Changes from Recursion
  • Finger Exercises on State Changes
  • Extended Exercise: Exploring Places