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

Skills you'll gain: Scatter Plots, Data Visualization, Regression Analysis, Excel Formulas, Microsoft Excel, Data Analysis, Descriptive Statistics, Data Visualization Software, Analytics, Statistical Analysis, Statistical Methods, Descriptive Analytics, Correlation Analysis, Statistics, Analysis, Exploratory Data Analysis, Pivot Tables And Charts, Trend Analysis
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Probability, Statistical Hypothesis Testing, Statistical Inference, Probability & Statistics, Probability Distribution, Statistical Methods, Statistics, Bayesian Statistics, Data Literacy, Sampling (Statistics), Applied Mathematics, Data Ethics, Data Analysis, Statistical Analysis, Quantitative Research, Data Science, Theoretical Computer Science, Sample Size Determination, Artificial Intelligence
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Health Informatics, Public Health, Health Policy, Professional Development, Cultural Diversity, Health Care Administration, Clinical Leadership, Crisis Intervention, Informatics, Health Care, Leadership, Health Systems, Health Disparities, Diversity Equity and Inclusion Initiatives, Data Integration, Community Health, Emergency Response, Health Technology, Adaptability, Data Analysis
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Advanced Mathematics, Mathematical Modeling, Engineering Analysis, Applied Mathematics, Mathematical Theory & Analysis, Geometry
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Nursing Management, Patient-centered Care, Leadership, Professionalism, Trustworthiness, Teamwork, Collaboration, Emotional Intelligence, Resilience, Assertiveness, Empathy, Problem Solving, Active Listening, Communication
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, NoSQL, Apache Cassandra, Cloud Computing, Systems Design, Data Storage Technologies, Apache Hadoop, Database Theory, Algorithms, Theoretical Computer Science, Scalability, C++ (Programming Language), Network Protocols
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Data Structures, Algorithms, Object Oriented Programming (OOP), C++ (Programming Language), File I/O, C (Programming Language), Object Oriented Design, Graph Theory, Programming Principles, Computer Programming, Data Storage, Computer Architecture, Computer Science, Software Design, Program Development, Computational Thinking, Systems Design, Information Architecture, Theoretical Computer Science, Software Engineering
Beginner · Specialization · 3 - 6 Months

The Chinese University of Hong Kong
Skills you'll gain: Mathematical Modeling, Problem Solving, Enterprise Modeling, Graph Theory, Decision Support Systems, Computational Thinking, Data Modeling, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Behavioral Economics, Storytelling, Economics, Economic Development, Financial Forecasting, Forecasting, Socioeconomics, Social Studies, Market Dynamics, Consumer Behaviour, Analysis, Labor Relations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Software Visualization, Pseudocode, Programming Principles, Computational Thinking, Theoretical Computer Science, Computer Science, Technical Communication, Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft 365, Microsoft Power Automate/Flow, Microsoft Power Platform, Data Governance, Data Migration, Business Process Automation, Content Management, Microsoft Teams, Microsoft Office, Trend Analysis, Document Management, Strategic Thinking, Strategic Planning, System Configuration, Compliance Management, Technology Roadmaps, DevOps, Microsoft Copilot, Data Security
Intermediate · Course · 1 - 3 Months