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 Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Statistical Modeling
Mixed · Course · 1 - 3 Months
Illinois Tech
Skills you'll gain: Product Lifecycle Management, Market Dynamics, Supply And Demand, Game Theory, Business Strategy, Competitive Analysis, Business Economics, Economics, Market Trend, Strategic Decision-Making, Global Marketing, Cost Reduction, Price Negotiation, Innovation, Market Analysis, Strategic Thinking, Market Opportunities, Strategic Planning, Team Leadership, Adaptability
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Multimedia, Web Content, Infographics, Visual Design, Graphical Tools, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Post-Production, Video Editing, 3D Assets, Timelines, Graphics Software, Color Theory, Image Quality, Typography
Beginner · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Negotiation, Game Theory, Social Skills, Decision Making, Conflict Management, Relationship Building, Strategic Decision-Making, Interpersonal Communications, Verbal Communication Skills, Leadership, Communication, Emotional Intelligence, Team Leadership, Team Management, Organizational Leadership, Leadership Development, Industrial and Organizational Psychology, Leadership and Management, Coordination, Behavioral Economics
Beginner · Specialization · 3 - 6 Months

University of Copenhagen
Skills you'll gain: Pollution Prevention, Environmental Monitoring, Environmental Engineering, Epidemiology, Pulmonology, Sustainable Development, Public Health, Respiration, Health Disparities, Environmental Science, Climate Change Mitigation, Vulnerability
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Biochemistry, Biochemical Assays, Fluoroscopy, Molecular Biology, Cell Biology, Chemistry, Biotechnology, Laboratory Research, Scientific Visualization, Biology, Specimen Labeling
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Data Validation, Exploratory Data Analysis, R Programming, Technical Communication, Version Control
Mixed · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Sustainable Development, Geographic Information Systems, Environment, Environmental Resource Management, Natural Resource Management, Spatial Analysis, Sustainability Standards, Environmental Science, Environmental Policy, Hydrology, Economics, Governance, Stakeholder Engagement, Case Studies
Intermediate · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Risk Management Framework, Safety and Security, Threat Management, Case Studies, Public Safety and National Security, Cybersecurity, Incident Management, International Relations, Policy Analysis, Systems Thinking, Governance
Beginner · Course · 1 - 3 Months

Skills you'll gain: Verification And Validation, Theoretical Computer Science, System Testing, System Software, Systems Design, Software Architecture, Embedded Systems
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, Performance Tuning, Debugging, Programming Principles, Algorithms, Object Oriented Programming (OOP), Theoretical Computer Science
Intermediate · Course · 1 - 3 Months