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.

University of Colorado Boulder
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Tree Maps, Theoretical Computer Science, Analysis, Python Programming
★ 4.6 (192) · Advanced · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Encryption, Theoretical Computer Science, Combinatorics, Mathematical Theory & Analysis, Arithmetic, Computational Thinking, Key Management, Applied Mathematics
Beginner · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Game Theory, Combinatorics, Mathematical Theory & Analysis, Mathematical Modeling, Mathematics and Mathematical Modeling, Applied Mathematics
★ 4.3 (211) · Mixed · Course · 1 - 3 Months
University of London
Skills you'll gain: Arithmetic, Applied Mathematics, Computer Science, General Mathematics, Numerical Analysis, Mathematical Modeling, Algebra, Cryptography, Logical Reasoning, Geometry, Deductive Reasoning
★ 4.2 (283) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Political Sciences, Policy Analysis, Social Studies, Social Justice, Public Affairs, Mathematics and Mathematical Modeling, Social Sciences, Public Policies, Game Theory, Demography, Mathematical Modeling, Governance, Decision Intelligence, Combinatorics, General Mathematics, Diversity Awareness, Applied Mathematics
★ 4.7 (28) · Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Graph Theory, Combinatorics, Network Analysis, Algorithms, Mathematical Modeling, Traffic Flow Optimization, Program Development
★ 4.5 (1.1K) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Mathematics and Mathematical Modeling, Mathematical Modeling, Political Sciences, Combinatorics, Social Sciences, Decision Intelligence, Logical Reasoning, Applied Mathematics, Critical Thinking, General Mathematics, Psychology
★ 4.5 (6) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Logical Reasoning
★ 3.2 (10) · Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Probability, Probability Distribution, Probability & Statistics, Simulations, Statistical Methods, Interactive Data Visualization, Combinatorics, Mathematical Theory & Analysis, Calculus, Applied Mathematics, Correlation Analysis, Numerical Analysis
★ 4.5 (105) · Mixed · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Probability & Statistics, Statistics, Probability Distribution, Probability, Data Literacy, Statistical Methods, Statistical Modeling, Data Analysis, Bayesian Statistics, Statistical Analysis, Exploratory Data Analysis, Combinatorics, Descriptive Statistics, Correlation Analysis, Mathematical Modeling, Applied Mathematics
Mixed · Course · 1 - 3 Months

École normale supérieure
Skills you'll gain: Algebra, Linear Algebra, Advanced Mathematics, Arithmetic, Mathematics and Mathematical Modeling
★ 4.8 (67) · Mixed · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Science, Computer Programming, Solution Design, Problem Solving, Mathematical Theory & Analysis
Beginner · Course · 1 - 3 Months