In-class Examples List

CS 111 - Computer Science Foundations 1
Section 10 - CRN 42038 - TuTh 9:00am-10:20am
Fall 2026

Last modified: Friday, September 11, 2026

Important Notes:

• This is merely a selection of files and examples, most of which were mentioned or used in the class (lectures and labs). It is not a comprehensive list, nor are all lectures and labs included. Formatting is generally minimal.

• Week 3 - Labs, 2026-09-11 - review clicker questions, and a lab exercise
  • 111lab03-projected.txt - In-lab projected notes
    
    
  • Week 3 Lab Exercise
    
    
  • "graphic design recipe helper" - as a color PDF - a more-graphical depiction of the Design Recipe
  • "Some DrRacket Tidbits" (in tagged PDF)
  
  
• Week 3 - Lecture 2, 2026-09-10 - intro to Racket's scene data type; example using the design recipe to write a function that returns a scene instance; intro to the big-bang function from the module 2htdp/universe
  • 111lect03-2-projected.txt - In-class projected notes
  • 111lect03-2.rkt - DrRacket Definitions window from lecture; before several examples of compound expressions using big-bang at the end, it also defines the functions:
    • cyan-star (copied from Week 2 Lecture 2)
    • cyan-star-scene
  
  
• Week 3 - Lecture 1, 2026-09-08 - intro to testing function check-within; some more useful Racket built-in functions; intro to the concept of scope of an identifier; two more examples of designing functions using the design recipe: humboldt-logo and doubt-it
  • "graphic design recipe helper" - as a color PDF - a more-graphical depiction of the Design Recipe
    
    
  • 111lect03-1-projected.txt - In-class projected notes
  • 111lect03-1.rkt - DrRacket Definitions window from lecture; includes functions:
    • humboldt-logo
    • doubt-it
  
  
• Week 2 - Labs, 2026-09-04 - review clicker questions and a lab exercise
  • 111lab02-projected.txt - In-lab projected notes
    
    
  • Week 2 Lab Exercise
    
    
  • "graphic design recipe helper" - as a color PDF - a more-graphical depiction of the Design Recipe
  • "Some DrRacket Tidbits" (in tagged PDF)
  
  
• Week 2 - Lecture 2, 2026-09-03 - review of identifiers; review of named constants; intro to check-expect; intro to writing your own functions using the DESIGN RECIPE
  • 111lect02-2-projected.txt - In-class projected notes
    
    
  • 111lect02-2.rkt - DrRacket Definitions window from lecture; includes our first Racket functions written using the design recipe:
    • triple
    • cyan-star
  
  
• Week 2 - Lecture 1, 2026-09-01 - more examples of built-in Racket functions that can be used in compound expressions; mentioned our first CS 111 class style standards; intro to function signature and purpose statement comments; started intro to identifiers, and our first kind of identifier, a named constant
  • 111lect02-1-projected.txt - In-class projected notes
  • 111lect02-1.rkt - DrRacket Definitions window from lecture
  
  
• Week 1 - Labs, 2026-08-28 - practice clicker questions, intro to pair programming, and a lab exercise
  • 111lab01-projected.txt - In-lab projected notes
    
    
  • Week 1 Lab Exercise
  • "Some DrRacket Tidbits" (in tagged PDF)
  
  
• Week 1 - Lecture 2, 2026-08-27 - continued intro to DrRacket programming environment; definitions of syntax and semantics; four basic BSL (Beginning Student Level) Racket data types, and syntax for literal simple expressions of those types; intro to BSL Racket compound expressions
  • 111lect01-2-projected.txt - In-class projected notes
    
    
  • DISPLAY-ONLY HTML version of 111lect01-2_rkt.html from class;
    save and execute this version below ("Save Link As..." to get a copy on your computer, should then be able to double-click on that or open it from DrRacket to run it):
    111lect01-2.rkt
  
  
• Week 1 - Lecture 1, 2026-08-25 - intro to course
  • CS 111 Course Syllabus (in tagged PDF) - includes tentative schedule
    
    
  • 111lect01-1-projected.txt - In-class projected notes (built from whiteboard notes after class because of laptop-projecting issue)

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