This is CS50x , Harvard University's introduction to the intellectual enterprises of computer science and the art of programming for majors and non-majors alike, with or without prior programming experience.

This textbook will introduce you to the exciting and complex world of computer science. In this chapter, you’ll review the history of computer science, learn about its use in different fields, and explore how …

Learn the essential ideas of Computer Science, this course demystifies and brings those patterns to life, which is useful for anyone using computers today.

This specialisation covers topics ranging from basic computing principles to the mathematical foundations required for computer science. You will learn fundamental concepts of how computers …

By addressing a broad learner audience—ranging from computer science majors to non-majors—the book offers a thorough introduction to computational thinking and its applications across multiple …

Explore computer science concepts, programming, and computational thinking. Build essential foundations for advanced computing.

Mar 2, 2026 · This course covers the same materials as an introductory class for undergraduate computer science majors. Its curriculum, which includes software, hardware and algorithms, …

Oct 19, 2022 · Learn the basics of computer science from Harvard University. This is CS50, an introduction to the intellectual enterprises of computer science and the art of programming. ...more

This is CS50x , Harvard University's introduction to the intellectual enterprises of computer science and the art of programming for majors and non-majors alike, with or without prior programming experience.

We'll teach you the basics of programming and computer science. Then you can and will change the world. Ready to go? Start here.