When we talk about coding, the conversation often starts with variables. Variables are at the very core of every programming language, serving as placeholders that store (and later update) data.
Welcome, AP Computer Science Principles trailblazers! You’ve likely heard a lot about Big Idea 3: Algorithms and Programming—and for good reason. This Big Idea constitutes a massive portion of the
Learn how to use programs for data analysis and visualization in AP CSP Big Idea 2.4. Explore spreadsheets, data mining, text analysis, and more.
Learn how to extract valuable insights from data—covering big data, cleaning data, biases, and more—in this comprehensive AP CSP 2.3 guide.
Explore AP CSP 2.2 Data Compression in this ultimate guide. Learn about lossy, lossless methods, RLE, LZW, redundancy, and more!
Dive into the AP CSP Big Idea 2 Overview: Data. Learn about binary, compression, metadata, and more to excel on the 2025 AP Computer Science Principles exam.
Master debugging in AP Computer Science Principles with 1.4 Identifying and Correcting Errors. Learn common error types, debugging strategies, test cases, and real-world stories to enhance your coding confidence!
Discover how to master 1.3 Program Design and Development in AP Computer Science Principles. Learn about iterative and incremental processes, documentation, and the Waterfall vs. Agile debate to excel in
Master 1.2 Program Function and Purpose in AP Computer Science Principles. Learn how to define, design, and describe software behavior, inputs, and outputs for exam success.
Master AP CSP Unit 1.1 Collaboration. Learn why teamwork in computer science matters, discover real-world examples of computing innovations, and boost your exam prep!