2. Names for Numbers

Learning Objectives:

• Understand the concept of a variable.

• Assign a value to a variable.

• Use assignment in calculations.

• Understand the ways that students get assignments wrong.

• Reuse variables across different assignment statements.

Contents

• 2.1. Assigning a Name
• 2.2. Rules for Names
  • 2.2.1. Naming Syntax
  • 2.2.2. Naming Convention
• 2.3. Expressions
  • 2.3.1. Operations
  • 2.3.2. Division and Integer Division
  • 2.3.3. Modulo
• 2.4. Summary of Expression Types
• 2.5. How Expressions are Evaluated
• 2.6. Driving from Chicago to Dallas
• 2.7. Following the Ketchup Ooze
• 2.8. Walking through Assignment more Generally
• 2.9. Figuring out an Invoice
• 2.10. Math Library Functions
• 2.11. Chapter Summary
• 2.12. Mixed Up Code Practice
• 2.13. Chapter Exercises

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