MIT's Mathematics for Computer Science (6.042J) is a free advanced course on MIT OpenCourseWare covering discrete mathematics: logic, sets, functions, graph theory, probability, and recurrences. These are the mathematical foundations every computer scientist needs. The course uses MIT lecture videos, problem sets, and exams. After finishing, you can reason precisely about algorithms and systems. The main limitation: this is theoretical and demanding. If you want to write software, you can skip this initially. If you want to understand algorithms or pursue graduate CS, it's essential.
Discrete mathematics is the foundation of algorithms, cryptography, and computer science theory, studied by virtually all CS graduate students globally (source: standard CS curriculum).
About This Course
MIT's math for CS course. Covers logic, proofs, graph theory, probability, and recurrences — foundational for computer science theory and technical interviews.
Course Details
Frequently Asked Questions
Is MIT's Math for CS course free?
Yes, free on MIT OpenCourseWare.
Do I need calculus for this?
Not directly. The math here is discrete (not continuous). High school algebra and logic are the main prerequisites.
Why do software engineers need discrete math?
Algorithms, data structures, cryptography, and formal verification all use discrete math.
Is this required to be a software engineer?
Not required for most jobs. Required to truly understand algorithms and advance to senior/research roles.
How long does this take?
A full semester course. Expect 10-15 weeks at 10+ hours per week.
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