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.

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Environmental Laws, Sustainable Development, Climate Change Adaptation, Land Development, Community Development, Environmental Policy, Sustainable Design, Stormwater Management, Social Justice, Environmental Resource Management, Socioeconomics, Climate Change Mitigation
Beginner · Course · 1 - 3 Months
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Competitive Analysis, Game Theory, Business Strategy, Market Dynamics, Go To Market Strategy, Strategic Partnership, Strategic Decision-Making, Market Analysis, Consumer Behaviour, Product Development, Innovation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cash Flows, Income Statement, Financial Analysis, Financial Accounting, Revenue Recognition, Generally Accepted Accounting Principles (GAAP), Revenue Management, Accrual Accounting, Finance
Mixed · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Process Mapping, Process Analysis, Process Improvement, Business Modeling, Business Process, Organizational Structure, Project Design, Project Management, Business Management, Operations Management, Organizational Strategy, Leadership and Management, Strategic Planning, Innovation
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Simulations, C (Programming Language), Computational Thinking, Automation, Algorithms, Data Structures, Theoretical Computer Science, Programming Principles, File Management, Debugging
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Economics, Policy, and Social Studies, Supply And Demand, Market Analysis, Economics, Resource Allocation, Environmental Issue, Public Policies
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Sustainable Development, Business Transformation, Environmental Social And Corporate Governance (ESG), Systems Thinking, Business Modeling, Waste Minimization, Innovation, Product Lifecycle Management, Case Studies, Resource Utilization, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Videography, Photography, Photo/Video Production and Technology, Storyboarding, Image Quality, Color Theory, Aesthetics
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Leadership and Management, Decision Making, Ethical Standards And Conduct, Business Ethics, Emotional Intelligence, Business Leadership, Organizational Leadership, Leadership, Leadership Development, Waterfall Methodology, Motivational Skills, Team Motivation, Project Management Life Cycle, Project Management, Self-Awareness
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Virtual Teams, Cultural Sensitivity, Intercultural Competence, Cultural Diversity, Team Management, Teamwork, Negotiation, Communication Strategies, Leadership and Management, Diversity Awareness, Conflict Management, Business Leadership, Leadership, Communication, Non-Verbal Communication
Build toward a degree
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Continuous Delivery, Test Driven Development (TDD), Unit Testing, Continuous Deployment, Continuous Integration, CI/CD, Agile Methodology, Test Automation, Code Review, Maintainability, Software Development, Mockups, Software Development Methodologies, Test Case, Development Testing, Software Testing, Integration Testing, Debugging, Python Programming, Version Control
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Research Design, Science and Research, Laboratory Research, Research Methodologies, Statistical Analysis, Data Analysis, Data Collection, Neurology, Psychology, Physiology, Magnetic Resonance Imaging, Image Analysis, Medical Equipment and Technology, Human Learning, Medical Imaging
Intermediate · Course · 1 - 3 Months