General Notes Notes for Chapter 1: The Foundations for a New Kind of Science Notes for Chapter 2: The Crucial Experiment Notes for Chapter 3: The World of Simple Programs Notes for Chapter 4: Systems Based on Numbers Notes for Chapter 5: Two Dimensions and Beyond Notes for Chapter 6: Starting from Randomness Notes for Chapter 7: Mechanisms in Programs and Nature Notes for Chapter 8: Implications for Everyday Systems Notes for Chapter 9: Fundamental Physics Notes for Chapter 10: Processes of Perception and Analysis Notes for Chapter 11: The Notion of Computation Notes for Chapter 12: The Principle of Computational Equivalence