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.

Yonsei University
Skills you'll gain: Cash Flow Forecasting, Cash Flows, Business Valuation, Microsoft Excel, Forecasting, Finance, Financial Modeling, Financial Analysis, Estimation
Beginner · Course · 1 - 4 Weeks
The Hong Kong University of Science and Technology
Skills you'll gain: Market Liquidity, Analysis, Financial Policy, Economics, International Finance, Financial Market, Financial Regulation, Market Dynamics, Supply And Demand, Forecasting
Intermediate · Course · 1 - 4 Weeks

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

Curtis Institute of Music
Skills you'll gain: Musical Composition, Music History, Instrumental Music, Classical Music, Music Theory, Music Performance
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Generative AI, Responsible AI, AI Product Strategy, Artificial Intelligence, AI Security, Social Impact, Governance, Leadership and Management, Model Evaluation, Data Quality
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Epidemiology, Mathematical Modeling, Statistical Modeling, Simulations, Risk Modeling, Infectious Diseases, Public Health, Model Evaluation, Predictive Modeling, R Programming, Differential Equations, Data Modeling, Statistical Methods, Probability Distribution
Intermediate · Specialization · 1 - 3 Months

Berklee
Skills you'll gain: Musical Composition, Music Theory, Music Performance, Music, Instrumental Music, Media Production, Writing, Creativity
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Marketing Analytics, AI Personalization, Advanced Analytics, Customer Retention, Analytics, Marketing Effectiveness, Predictive Modeling, Marketing, Data Analysis, Social Network Analysis, Customer Analysis, Data Ethics, Customer Insights, Market Analysis, Text Mining, Predictive Analytics, Marketing Strategy and Techniques, Digital Marketing, Machine Learning, Generative AI
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Data Structures, Computational Thinking, Graph Theory, Theoretical Computer Science, Programming Principles, Algorithms, Computer Programming, Data Storage, C (Programming Language), C++ (Programming Language)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Multimedia, Developing Training Materials, Visual Design, Graphical Tools, Graphic Design
Beginner · Guided Project · Less Than 2 Hours
University of Pennsylvania
Skills you'll gain: Managed Care, Health Systems, Health Care Administration, Health Care Procedure and Regulation, Health Care, Value-Based Care, Medicaid, Insurance, Health Policy, Medicare, Economics, Behavioral Economics, Supply And Demand, Market Dynamics, Long Term Care, Payment Systems, Hospice
Mixed · Course · 1 - 4 Weeks
The University of Edinburgh
Skills you'll gain: Discussion Facilitation, Culture, Research, Diversity Awareness, Science and Research, Systems Thinking, Anthropology, Biology, Physical Science, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months