Number theory courses can help you learn prime numbers, divisibility rules, modular arithmetic, and integer properties. You can build skills in problem-solving, logical reasoning, and algorithmic thinking, that support tackling complex mathematical challenges. Many courses introduce tools like Python for implementing algorithms and mathematical software for exploring number patterns, enabling you to apply your knowledge in practical situations such as cryptography and coding theory.

Rice University
Skills you'll gain: Combinatorics, Probability, Programming Principles, Program Development, Computational Thinking, Computer Programming, Object Oriented Programming (OOP), Development Testing, Software Testing, Applied Mathematics, Debugging, Algorithms, Python Programming, Game Design, Simulations
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: Liberal Arts, Environment, Culture, Biology, Creativity, Systems Thinking, Physical Science, Timelines, Physics, Scientific Methods
Mixed · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Peer Review, Governance, Leadership and Management, Discussion Facilitation, Philanthropy, Public Administration, Organizational Effectiveness, Performance Review, Organizational Leadership, Community Development, Organizational Structure, Leadership, Case Studies, Analysis
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Programming Principles, Full-Stack Web Development, GitHub, Version Control, Program Development, Debugging, Computational Thinking, Pseudocode, Git (Version Control System), Web Design and Development, Computer Programming, Algorithms, Web Development, C# (Programming Language), Data Structures, Back-End Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Development Testing, Algorithms, Program Development, Software Testing, Java, Computer Programming, Software Development, Programming Principles, Debugging, Scalability
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Spatial Data Analysis, Augmented Reality, Data Visualization Software, Data Mapping, Color Theory, Database Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Graphic and Visual Design, Graphic Design, Digital Design, Design Software, Typography, Design Elements And Principles, Photo Editing, File Management, Color Theory
Mixed · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Data Structures, Algorithms, Computer Programming, Java, Graph Theory, Theoretical Computer Science, Simulations, Performance Testing
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cloud Computing, Cloud Infrastructure, Cloud Services, JavaScript Frameworks, Back-End Web Development, DevOps, Full-Stack Web Development, OpenShift, Version Control, Cloud Development, CI/CD, Software Development, Cloud-Native Computing, Web Applications, Microservices, Containerization, Kubernetes, Web Development, Serverless Computing, Docker (Software)
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Oral Expression, Human Learning, Education Software and Technology, Technical Communication, Education and Training, Writing, Community Outreach, Learning Theory, Pedagogy, Research, Technical Writing, Scientific Methods, Media and Communications, Science and Research, Persuasive Communication, Program Evaluation, Interviewing Skills, Photography, Infographics, Storytelling
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Social Network Analysis, Network Analysis, Graph Theory, Technical Communication, Data Structures, Algorithms, Analysis, Computer Science, Research
Mixed · Course · 1 - 3 Months

Skills you'll gain: Music Performance, Musical Composition, Music Theory, Instrumental Music, Performing Arts, Music, Electronic Media
Beginner · Course · 1 - 3 Months