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 Copenhagen
Skills you'll gain: Chronic Diseases, Health Disparities, Healthcare Ethics, Crisis Intervention, Public Health, Health Care, Emergency Response, Health Policy, Health Systems, Risk Analysis
Intermediate · Course · 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Human Centered Design, Design Thinking, Research and Design, Design Research, Research, Visual Design, Graphic and Visual Design, Research Methodologies, Qualitative Research, Creative Thinking, Case Studies, Discussion Facilitation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Post-Production, Storytelling, Video Editing, Timelines, Color Theory, Data Import/Export, Image Quality, Web Content Accessibility Guidelines, Music, Editing
Mixed · Course · 1 - 3 Months
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
University of Michigan
Skills you'll gain: Social Network Analysis, Network Analysis, Graph Theory, Predictive Analytics, Predictive Modeling, Pandas (Python Package), Matplotlib, Algorithms
Intermediate · 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

Google Cloud
Skills you'll gain: No-Code Development, Cloud Applications, Application Design, Application Performance Management, Application Development, Authorization (Computing), Authentications, Application Lifecycle Management, Data Management, Restful API, Application Security, Scalability, Software Versioning, Automation, Data Integration, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), CI/CD, Application Deployment, Amazon Elastic Compute Cloud, DevOps, Containerization, Cloud Hosting, Spring Boot, Continuous Deployment, Cloud Applications, Amazon Web Services, Continuous Integration, GitHub
Intermediate · Guided Project · Less Than 2 Hours

Fundação Instituto de Administração
Skills you'll gain: Financial Statement Analysis, Financial Analysis, Financial Accounting, Balance Sheet, Cash Flows, Income Statement, Working Capital, Performance Analysis, Gross Profit, Operating Expense, Depreciation
Beginner · Course · 1 - 3 Months

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

Board Infinity
Skills you'll gain: Software Quality Assurance, Software Development Life Cycle, Quality Assurance, Software Documentation, Functional Testing, Software Testing, Acceptance Testing, User Acceptance Testing (UAT), Test Case, Maintainability, Verification And Validation, Unit Testing, Software Design, System Testing, Integration Testing, Waterfall Methodology, Agile Methodology, Regression Testing
Beginner · Course · 1 - 4 Weeks