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.

National Taiwan University
Skills you'll gain: Report Writing, Operations Research, Applied Mathematics, Mathematical Modeling, Algorithms, Business Modeling, Engineering Calculations, Project Design, Data Visualization, Presentations, Complex Problem Solving, Decision Making, Business Analytics
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Human Capital, Human Resources, Talent Management, Workforce Planning, Talent Acquisition, Human Resource Strategy, Employee Performance Management, Performance Appraisal, Talent Recruitment, Labor Relations, Compensation and Benefits, Succession Planning, Workforce Management, Employee Training, Diversity and Inclusion, Occupational Safety And Health, Employee Engagement
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Infographics, Graphic Design, Graphic and Visual Design, Graphic and Visual Design Software, Design, Visual Design, Graphics Software, Typography, Design Software, Design Reviews, Adobe Creative Cloud, Adobe Photoshop, Design Elements And Principles, Peer Review, Color Theory, Creativity
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: User Story, Agile Software Development, Software Design Patterns, Design Thinking, Software Development Methodologies, Software Design, Agile Methodology, Agile Project Management, Process Mapping, Software Engineering, Kanban Principles, Software Development Life Cycle, Software Quality Assurance, Application Security, Scrum (Software Development), Object Oriented Design, Software Architecture, User Experience Design, Software Quality (SQA/SQC), Requirements Analysis
Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Environmental Policy, Sustainable Development, Environment, Water Resources, Demography, Energy and Utilities, Environmental Science, Environmental Resource Management, Sustainability Standards, Sustainable Engineering, Water Resource Management, Social Sciences, Climate Change Adaptation, Economics
Mixed · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Software Design Patterns, Object Oriented Programming (OOP), Computer Programming, C (Programming Language), Algorithms, Graph Theory, Artificial Intelligence, Data Structures, Game Design
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Supply And Demand, Economics, Market Dynamics, Market Analysis, Resource Allocation, Policy Analysis, Tax, Consumer Behaviour, Cost Benefit Analysis, Decision Making
Mixed · Course · 1 - 3 Months
Stanford University
Skills you'll gain: Algorithms, Bioinformatics, Graph Theory, Computational Thinking, Data Structures, Theoretical Computer Science
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Color Theory, World Music, Disabilities, Art History, Music History, Social Justice, Performing Arts, Community Organizing, Liberal Arts, Interactive Learning, Peer Review, Musical Composition, Cultural Diversity, Aesthetics, Music, Music Theory, Sociology, Creativity, Critical Thinking, Communication
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Typography, Graphic and Visual Design, Design, Graphic Design, Graphic and Visual Design Software, Design Software, Design Elements And Principles, Color Theory
Beginner · Course · 1 - 4 Weeks

Adobe
Skills you'll gain: Adobe Illustrator, Color Theory, Typography, Graphic and Visual Design, Graphic Design, Graphics Software, Design, Adobe Creative Cloud, Design Elements And Principles, Creative Design, Digital Design, Generative AI, Creativity
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Market Research, Market Analysis, Business Research, Research Reports, Market Intelligence, Competitive Analysis, Quantitative Research, Analytical Skills, Case Studies, Report Writing, Analysis, Strategic Decision-Making, Business Strategy, Business Acumen
Mixed · Course · 1 - 4 Weeks