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.

The Pennsylvania State University
Skills you'll gain: Infectious Diseases, Epidemiology, Public Health and Disease Prevention, Microbiology, Public Health, Pathology, Immunology, Preventative Care, Sanitation, Social Determinants Of Health, Social Sciences, Community Health, Molecular, Cellular, and Microbiology, Medical Science and Research, Biology, Drug Development, Social Network Analysis, Case Studies
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Operations Research, Algorithms, Applied Mathematics, Graph Theory, Combinatorics, Computational Thinking, Mathematical Modeling, Theoretical Computer Science, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks

The University of North Carolina at Chapel Hill
Skills you'll gain: Music Theory, Choral Music, Music Performance, Instrumental Music, Music, Classical Music, Coordination, Oral Expression
Mixed · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Sustainable Development, Sustainable Systems, Water Sustainability, Sustainable Business, Waste Minimization, Supply Chain, Systems Thinking, Climate Change Mitigation, Land Management, Environment and Resource Management, Innovation, Nutrition and Diet, Public Policies, Case Studies
Beginner · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Statistical Modeling
Mixed · Course · 1 - 3 Months
Google Cloud
Skills you'll gain: Google Sheets, Google Workspace, Spreadsheet Software, Excel Formulas, Data Visualization, Version Control, Collaborative Software, Data Management, Data Analysis Software, Data Sharing, Data Import/Export
Beginner · Course · 1 - 3 Months

Skills you'll gain: Musical Composition, Music, Music Theory, Post-Production, Music Performance, Instrumental Music, Media Production, Creativity, Editing
Mixed · Course · 1 - 3 Months

IESE Business School
Skills you'll gain: People Management, Business Priorities, Talent Management, Strategic Leadership, Organizational Strategy, Business Leadership, Leadership and Management, Leadership, Team Management, Business Strategy, Innovation, Business Modeling, Persona (User Experience)
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Human Learning, Child Development, School Psychology, Pedagogy, Human Development, Higher Education, Learning Theory, Psychology, Social Sciences
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Business Analytics, Forecasting, Statistical Methods, Predictive Analytics, R Programming, Information Technology, Statistical Analysis, People Analytics, Data Storytelling, Business Strategy, Data Analysis, Data Visualization, Regression Analysis
Mixed · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Public Health, Public Health and Disease Prevention, Health Equity, Health Disparities, Health Promotion, Microbiology, Health Assessment, Sanitation, Program Evaluation, Healthcare Ethics, Epidemiology, Infectious Diseases, Health Policy, Preventative Care, Environment Health And Safety, Behavioral Economics, Health Education, Intelligence Collection and Analysis, Applied Behavior Analysis, Social Determinants Of Health
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Social Work, Community and Social Work, Social Justice, Social Sciences, Human Services, Advocacy, Cultural Sensitivity, Diversity Awareness, Research, Policty Analysis, Research, and Development, Systems Thinking, Ethical Standards And Conduct
Build toward a degree
Beginner · Course · 1 - 4 Weeks