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 Manchester
Skills you'll gain: Sanitation, Water Resource Management, Sustainable Development, Environmental Policy, Socioeconomics, Policty Analysis, Research, and Development, Climate Change Adaptation, Economic Development, Public Health, Economics, Supply And Demand, Cost Estimation
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Interviewing Skills, Leadership, Business Leadership, Leadership Development, Leadership and Management, Professional Development, Team Building, Recruitment, Team Management, Talent Management, Self-Awareness, Coaching, Communication
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Mathematical Software, Data Analysis, Mathematical Theory & Analysis, Derivatives, Graphing, Algebra
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Game Theory, Human Development, Behavioral Economics, Artificial Intelligence, Systems Thinking, Psychology, Human Factors, Simulations, Anthropology, Mathematical Modeling, Sociology
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Environment, Environmental Issue, Environmental Science, Sustainable Development, Biology, Hydrology, Water Quality, Systems Thinking, Water Resource Management, Energy and Utilities, Physics, Climate Change Mitigation, Chemistry
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Portfolio Management, Financial Data, Time Series Analysis and Forecasting, Performance Measurement, Forecasting, Financial Trading, Financial Analysis, R Programming, Trend Analysis, Investment Management, Statistical Analysis, Regression Analysis, Risk Analysis, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, Software Versioning, Software Development Tools, Software Configuration Management, Project Management
Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Blockchain, Network Security, Application Security, Security Engineering, Infrastructure Security, Cybersecurity, Data Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Algorithms
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Materials science, Chemical Engineering, Chemistry, Engineering, Mechanical Engineering, Physical Science, Physics, Semiconductors
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Resilience, Teaching, Educational Materials, Systems Thinking, Diversity Awareness, Adaptability, Instructional Design, Higher Education, Innovation, Collaboration, Goal Setting, Planning
Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Economic Development, Community Development, Entrepreneurship, Project Design, Sustainable Development, Socioeconomics, International Relations, Competitive Analysis, New Business Development, Innovation, Business Economics, Policy Development, Governance
Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Software Design Patterns, Software Design, Software Quality Assurance, Software Engineering, Application Security, Object Oriented Design, Software Architecture, Software Quality (SQA/SQC), Development Testing, Threat Modeling, Maintainability, Code Review, Software Testing, Continuous Integration, CI/CD, Software Technical Review, Software Documentation, Version Control
Intermediate · Course · 1 - 3 Months