CS50's Introduction to Computer Science
CS50x is 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. The course teaches students how to think algorithmically and solve problems efficiently, covering fundamental concepts like abstraction, algorithms, data structures, encapsulation, resource management, security, software engineering, and web development.
$9.99-$22.99 (regularly $199.99) - one-time, lifetime access
Updated on March 8, 2026
Why This Course?
Programming foundation for careers in Software Development, Data Science, Web Development, IT, and any field requiring computational thinking. It serves as a strong entry point for further specialized study in computer science.
Algorithmic Thinking Problem Solving C Programming Python Programming SQL Web Development (HTML, CSS, JavaScript) Data Structures
None (Designed for students with or without prior programming experience)
Programming foundation for careers in Software Development, Data Science, Web Development, IT, and any field requiring computational thinking. It serves as a strong entry point for further specialized study in computer science.
Video
Week 0: Scratch Week 1: C Week 2: Arrays Week 3: Algorithms Week 4: Memory Week 5: Data Structures Week 6: Python Week 7: SQL Week 8: HTML, CSS, JavaScript Week 9: Flask Week 10: Ethics Final Project
David J. Malan, Doug Lloyd, Brian Yu (Harvard University)
Loading reviews...