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🧮 Combinatorics Cheatsheets
Browse AI-generated Combinatorics cheatsheets with one-page visual study aids for the key formulas, concepts, and definitions you need for your exam review.
visual cheatsheets
AI-generated one-pagers for a single topic. Make your own, or browse what other students have made.
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visual cheatsheet gallery
Unit 1 - 1.1 Fundamental principles of counting
generated on 1/11/2026
Unit 2 - 2.3 Combinations without repetition
generated on 1/23/2026
Unit 2 - 2.4 Combinations with repetition
generated on 1/6/2026
Unit 3 - 3.2 Pascal's triangle and its applications
generated on 11/27/2025
Unit 10 - 10.4 Special types of graphs (bipartite, complete, regular)
generated on 1/16/2026
Unit 14 - 14.3 Shortest path algorithms
generated on 1/11/2026
about the Combinatorics cheatsheets
A cheatsheet condenses a whole course into the facts you actually need on exam day. The Combinatorics cheatsheets on this page summarize the key formulas, concepts, and definitions from each unit so you can review the entire course at a glance.
They work best as a final review: skim the one-page summary, spot the units you want to strengthen, then go deeper with the Combinatorics study guides. The visual cheatsheets in the gallery are organized by unit, and you can generate your own for any topic you want a quick refresher on.
what's covered in Combinatorics
- Unit 1 – Combinatorics: Sum and Product Rules Intro
- Unit 2 – Permutations and Combinations
- Unit 3 – Binomial Coefficients and Theorem
- Unit 4 – The Pigeonhole Principle and Ramsey Theory
- Unit 5 – The Principle of Inclusion–Exclusion
- Unit 6 – Generating Functions
- Unit 7 – Recurrence Relations
- Unit 8 – Partitions and Stirling Numbers
- Unit 9 – Posets and Lattices
- Unit 10 – Graph Theory Fundamentals
- Unit 11 – Paths, Cycles, and Connectivity in Graphs
- Unit 12 – Graph Coloring and Ramsey Numbers
- Unit 13 – Design Theory and Combinatorial Designs
- Unit 14 – Combinatorial Optimization & Network Flows
- Unit 15 – Applications in Probability and Statistics
- Unit 16 – Combinatorics in Computing and Cryptography