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 University of North Carolina at Chapel Hill
Skills you'll gain: Data Sharing, Data Management, Data Storage, File Management, Data Security, Information Management, Data Strategy, Metadata Management, Records Management, Data Governance, Data Integrity, Data Literacy, Information Privacy, Version Control
Mixed · Course · 1 - 3 Months

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Collaborative Software, Web Applications, Open Source Technology, Command-Line Interface, DevOps
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources Information System (HRIS), Systems Administration, System Configuration, Organizational Structure, Payroll Administration, Oracle Databases, Workforce Management, Benefits Administration, Payroll, Payroll Processing, Employee Training, Expense Management, User Accounts, Data Validation, Data Entry, Scheduling
Intermediate · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Portfolio Management, Risk Management, Portfolio Risk, Business Risk Management, Investment Management, Risk Analysis, Investments, Risk Modeling, Asset Management, Wealth Management, Financial Market, Finance, Derivatives, Equities, Probability Distribution, Market Dynamics, Correlation Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Design, Digital Design, Design Elements And Principles, Product Design, Color Theory, Graphic Design, Intellectual Property, Product Promotion, E-Commerce, Digital Assets, Marketing, Marketing Collateral
Advanced · Guided Project · Less Than 2 Hours

Saïd Business School, University of Oxford
Skills you'll gain: Prioritization, Strategic Prioritization, Strategic Leadership, Problem Solving, Systems Thinking, Complex Problem Solving, Critical Thinking and Problem Solving, Leadership, Strategic Decision-Making, Stakeholder Communications, Responsible AI, Initiative and Leadership, AI Enablement, Leadership Development, Decision Making, Artificial Intelligence, Analysis, Critical Thinking, Root Cause Analysis, Data Ethics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: International Financial Reporting Standards, Consolidation, Financial Reporting, Financial Accounting, Generally Accepted Accounting Principles (GAAP), Equities, Mergers & Acquisitions, Financial Statement Analysis, Financial Statements, Accounting
Intermediate · Course · 1 - 4 Weeks

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

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 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

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