Combinatorics courses can help you learn counting principles, permutations, combinations, and graph theory. You can build skills in problem-solving, algorithm design, and mathematical reasoning, which are crucial for fields like computer science and operations research. Many courses introduce tools such as generating functions and combinatorial algorithms, which are used to solve complex problems in optimization and data analysis.

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Computer Programming
Intermediate · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Probability, Simulations, Probability & Statistics, Probability Distribution, Statistical Methods, Mathematical Theory & Analysis, Sampling (Statistics), Statistical Inference, Calculus, Integral Calculus
★ 4.6 (40) · Mixed · Course · 1 - 3 Months

Tsinghua University
Skills you'll gain: Data Structures, System Design and Implementation, Algorithms, Computer Programming
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Geometry, Algorithms, Computer Graphics, Data Structures, Graph Theory, Spatial Data Analysis, Geographic Information Systems, Theoretical Computer Science, Spatial Analysis
★ 4.4 (24) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Algebra, Graphing, Applied Mathematics, Mathematical Modeling, Trigonometry, Probability, Advanced Mathematics, Data Analysis, Probability & Statistics, Data Literacy, Statistical Analysis, Logical Reasoning, Probability Distribution, Mathematical Theory & Analysis, Descriptive Statistics, Arithmetic, Statistics, Engineering Calculations, Calculus, Analytical Skills
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Algebra, Arithmetic, Mathematical Modeling, Applied Mathematics, Advanced Mathematics, Graphing, Probability & Statistics
★ 4.8 (648) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Graph Theory, Computational Thinking, Data Structures, Algorithms, Problem Solving, Programming Principles, Computer Programming, Theoretical Computer Science, Javascript, Performance Tuning, Memory Management
Intermediate · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
★ 4.7 (765) · Intermediate · Course · 1 - 3 Months

University of Zurich
Skills you'll gain: Probability, Probability Distribution, Probability & Statistics, Descriptive Statistics, Statistical Methods, Applied Mathematics, Finance, Correlation Analysis
★ 4.8 (1.9K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Graph Theory, Programming Principles, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Pandas (Python Package), Machine Learning Algorithms, Computational Thinking, C++ (Programming Language), Data Architecture, Random Forest Algorithm, Performance Tuning, Object Oriented Programming (OOP), Network Analysis, Program Development, Problem Solving, Debugging
★ 4.5 (38) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Structures, Algorithms, Python Programming, Computer Programming, Geometry, Data Manipulation, Data Management, Data Analysis, Applied Mathematics
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Cryptographic Protocols, Cryptography, Key Management, Encryption, Cybersecurity, Arithmetic, Algorithms, Algebra, Python Programming
★ 4.5 (609) · Beginner · Course · 1 - 4 Weeks