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.

Skills you'll gain: Musical Composition, Music, Music Theory, Music Performance
Intermediate · Course · 1 - 3 Months

EDHEC Business School
Skills you'll gain: Text Mining, Network Analysis, Data Visualization Software, Machine Learning Methods, Unstructured Data, Predictive Modeling, Web Scraping, Social Network Analysis, Financial Statements, Financial Market, Financial Analysis, Investments, Financial Modeling, Asset Management, Python Programming, Data Analysis, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Psychology, Human Learning, Learning Theory, Creativity, Human Development, Self-Awareness, Culture, Learning Styles, Language Disorders, Cognitive flexibility, Personal Development, Psychological Evaluations, Mental Health Diseases and Disorders, Intelligence Collection and Analysis, Emotional Intelligence, Diversity Awareness
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Database Systems, Relational Databases, Database Management, Database Theory, Databases, SQL, Database Design, Database Management Systems, Database Architecture and Administration, Data Access, Query Languages, Data Modeling, Data Manipulation, User Accounts
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Economics, Policy, and Social Studies, Economics, Socioeconomics, Sustainable Development, Policy Analysis, Data Analysis, Tax, Environmental Issue, International Relations, Trend Analysis, Investments, Policy Development, Behavioral Economics, Supply And Demand, Data Collection
Beginner · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Project Management Life Cycle, Project Planning, Project Management Institute (PMI) Methodology, Project Management, Project Schedules, Project Scoping, Coordination, Project Implementation, Leadership and Management, Leadership
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Environmental Monitoring, Water Quality, Hydrology, Environmental Engineering, Water Resources, Biochemistry, Environmental Science, Mathematical Modeling, Analytical Chemistry, Laboratory Research, Microbiology, Chemical Engineering, Chemistry
Advanced · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: Routing Protocols, OSI Models, Remote Access Systems, Network Architecture, TCP/IP, General Networking, Network Protocols, Network Troubleshooting, Computer Networking, Networking Hardware, Network Administration, Network Security, Network Infrastructure, Network Model, Virtual Private Networks (VPN), Wireless Networks, Network Routers, Network Routing, Dynamic Host Configuration Protocol (DHCP), Intrusion Detection and Prevention
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Accounting, Balance Sheet, Financial Reporting, Revenue Recognition, Income Statement, Financial Statements, Generally Accepted Accounting Principles (GAAP), Contract Accounting, Accounting, Accrual Accounting, Cash Flows, Financial Analysis, International Financial Reporting Standards
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Social Network Analysis, Network Analysis, Social Sciences, Sociology, Systems Thinking, Economics, Policy, and Social Studies, Simulations, Culture, Graph Theory, Complex Problem Solving, Innovation
Beginner · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Intellectual Property, Business Planning, Competitive Analysis, Business Risk Management, Tax Preparation, Business Process Automation, Budget Management, Business Strategy, Contract Management, Peer Review, Process Improvement, Financial Analysis, Financial Forecasting, Small Business Accounting, Client Services, Financial Modeling, Market Analysis, Entrepreneurship, Marketing, Leadership and Management
Beginner · Specialization · 3 - 6 Months

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