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Computer Science

Computer science & software

Learn to program, solve problems and build reliable software.

6 recommended milestones~21 weeks · 5 hours / week

Ship a tested software project and explain its technical decisions.

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01
beginner
16 study hours
Programming fundamentals
Learn variables, functions, loops and debugging with Python.
Put it into practice
Build a command-line calculator with input validation.
Harvard · CS50 Python Sign in to track progress
02
beginner
14 study hours
Computational thinking
Break problems down and reason about algorithms and complexity.
Put it into practice
Implement a search algorithm and explain its running time.
Harvard · CS50x Sign in to track progress
03
intermediate
20 study hours
Data structures & algorithms
Work with arrays, trees, graphs and common algorithm patterns.
Put it into practice
Compare two implementations on the same dataset.
MIT · Introduction to Algorithms Sign in to track progress
04
intermediate
18 study hours
Databases & the web
Learn relational data, SQL, HTTP and browser fundamentals.
Put it into practice
Build a small web app that reads and writes structured data.
MDN · Learn web development Sign in to track progress
05
advanced
12 study hours
Software engineering
Practice version control, testing, design and security fundamentals.
Put it into practice
Add automated tests and a clear README to a project.
MIT · The Missing Semester Sign in to track progress
06
advanced
24 study hours
Portfolio project
Plan, implement and review a complete software product.
Put it into practice
Publish a working project with tests and a short design report.
GitHub · Skills Sign in to track progress