Beginner Combinatorics: Counting, Permutations, and Code — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Beginner Combinatorics: Counting, Permutations, and Code

Discover essential counting methods and combinatorial logic to understand discrete mathematics and implement solutions in code.

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About this course

Combinatorics is the art of counting, arranging, and selecting objects, forming the bedrock of discrete mathematics and computer science. This course will equip you with a strong foundational understanding of combinatorial principles, enabling you to approach complex counting problems systematically and translate these concepts into practical algorithmic solutions. What you'll learn: Understand fundamental counting principles, including the addition and multiplication rules. Apply permutations and combinations to calculate arrangements and selections of objects. Learn to use binomial coefficients and the binomial theorem in various problem-solving scenarios. Grasp the basics of recurrence relations for modeling sequences, such as the Fibonacci numbers. Explore introductory concepts of generating functions to solve combinatorial problems. Practice implementing basic combinatorial algorithms in code to enumerate possibilities. Explore how combinatorial thinking underpins efficient algorithms and data structures. The course starts with core definitions and basic counting techniques, then progresses to more advanced topics like recurrence relations and an introduction to generating functions, with hands-on coding exercises throughout. This course is designed for absolute beginners with no prior knowledge of combinatorics or advanced mathematics. Begin your journey into the fascinating world of combinatorial mathematics today.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    3h of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
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Beginner Combinatorics: Counting, Permutations, and Code
Skills demonstrated
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Behavioral pattern analysis
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1.2 hrs
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Decision-architecture frameworks
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1.4 hrs
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A/B test design
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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