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.

28DIGITAL
Skills you'll gain: Algorithms, Graph Theory, Computational Thinking, Applied Mathematics, Theoretical Computer Science, Operations Research, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Musical Composition, Instrumental Music, Music Theory, Music, Classical Music, Creativity
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Occupational Health, Public Health, Environmental Laws, Environmental Regulations, Health Systems, Environmental Policy, Systems Thinking, Occupational Safety and Health Administration (OSHA), Environmental Science, Epidemiology, Environmental Issue, Environmental Monitoring, Health Policy, Personal protective equipment, Risk Analysis
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Teaching, Systems Thinking, Diversity Awareness, Adaptability, Instructional Design, Digital pedagogy, Constructive Feedback, Higher Education, Innovation, Collaboration
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Systems Thinking, Sustainable Systems, Sustainable Development, Food and Beverage, Nutrition and Diet, Economics, Environmental Science, Energy and Utilities, Production Process, Water Resources, Land Management, Environment and Resource Management, Culture, Consumer Behaviour
Beginner · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Differential Equations, Applied Mathematics, Advanced Mathematics, Calculus, Linear Algebra, Engineering Analysis, Mathematical Theory & Analysis
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Applied Mathematics, Graphing, Numerical Analysis, Python Programming, Advanced Mathematics, Mathematical Software, Mathematical Modeling, Derivatives, Programming Principles
Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub, HTML and CSS, Mockups, Version Control, React.js, Front-End Web Development, Web Design, Figma (Design Software), Web Development, Application Deployment, Web Analytics and SEO, Software Development, Databases
Advanced · Course · 1 - 3 Months

Skills you'll gain: Stored Procedure, Database Design, Git (Version Control System), Database Development, MySQL, Databases, Database Application, Data Visualization Software, Version Control, SQL, Tableau Software, Data Modeling, Transaction Processing, Django (Web Framework), Project Management, Application Development, Python Programming
Intermediate · Course · 1 - 4 Weeks

Copenhagen Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Stakeholder Engagement, Sustainable Development, Business Modeling, Innovation, Environmental Social And Corporate Governance (ESG), Marketing Communications, Business Strategies, Case Studies, Systems Thinking, Strategic Partnership
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Presentations, Verbal Communication Skills, Communication, Non-Verbal Communication, Microsoft PowerPoint, Business Communication, English Language, Interpersonal Communications, Business Leadership, Crisis Management, Organizational Structure, Leadership and Management, Business, Business Management, Global Marketing, Rapport Building, Leadership, Corporate Communications, Grammar, Vocabulary
Mixed · Course · 1 - 4 Weeks

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