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.

ESSEC Business School
Skills you'll gain: Business Modeling, Entrepreneurship, Business Planning, Business Risk Management, Risk Management, Teamwork, Design Thinking, Ideation, Planning, Strategic Thinking, Innovation, New Business Development, Creative Thinking, Decision Making, Open Mindset, Lean Methodologies
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, Programming Principles, Full-Stack Web Development, GitHub, Version Control, Program Development, Debugging, Computational Thinking, Git (Version Control System), Computer Programming, Algorithms, Web Development, C# (Programming Language), Back-End Web Development
Beginner · Course · 1 - 3 Months

West Virginia University
Skills you'll gain: Sustainable Development, Economics, Environment and Resource Management, Environmental Resource Management, Natural Resource Management, Supply And Demand, Environmental Science, Product Knowledge, Materials science, Climate Change Mitigation, Sustainable Engineering, Construction
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Data Structures, Computational Thinking, Graph Theory, Theoretical Computer Science, Programming Principles, Algorithms, Computer Programming, Data Storage, C (Programming Language), C++ (Programming Language)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Time Management, Conflict Management, Stress Management, Prioritization, Critical Thinking, Problem Solving, Self-Awareness, Emotional Intelligence, Communication, Complex Problem Solving, Creative Problem-Solving, Personal Development, Business Ethics, Empathy, Strategic Thinking, Goal Setting, Compliance Management, Overcoming Obstacles, Mental Health, Dealing With Ambiguity
Beginner · Specialization · 3 - 6 Months

Edge Impulse
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Transfer Learning, Artificial Neural Networks, Embedded Systems, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Deep Learning, Model Deployment, Data Ethics, Data Preprocessing, Machine Learning, Computer Programming, Model Evaluation, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Reliability, Software Systems, Performance Tuning, Embedded Software, Control Systems, Hardware Architecture, Systems Architecture, Software Design, Debugging, Software Architecture, Verification And Validation, Hardware Design, System Design and Implementation, Linux, System Programming, Code Review, Systems Engineering, Real Time Data
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Rochester
Skills you'll gain: Music History, Music, Music Theory, Musical Composition, Instrumental Music, Music Performance, Creativity
Beginner · Course · 1 - 3 Months

EDHEC Business School
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Mergers & Acquisitions, Capital Markets, Project Finance, Investment Banking, Financial Services, Corporate Finance, Loans, Asset Management, Sustainable Development, Derivatives
Intermediate · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Critical Thinking, Organizational Leadership, Positivity, Self-Awareness, Stress Management, Leadership, Resilience, Influencing, Motivational Skills, Decision Making, Personal Development, Leadership Development, Industrial and Organizational Psychology, Leadership and Management, Emotional Intelligence, Business Leadership, Systems Thinking, Strategic Decision-Making, Research, Analysis
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Computing, Cloud Infrastructure, Cloud Services, JavaScript Frameworks, Back-End Web Development, Cloud Deployment, DevOps, Full-Stack Web Development, OpenShift, Version Control, CI/CD, Application Frameworks, Software Development, Web Applications, Microservices, Containerization, Kubernetes, Web Development, Node.JS, Serverless Computing
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Strategic Thinking, Visionary, Research, Influencing, Strategic Decision-Making, Data Collection, Systems Thinking, Strategic Planning, Proactivity, Negotiation, Business Strategy, Complex Problem Solving, Surveys, Creative Thinking, Scientific Methods, Decision Making, Recognizing Others, Active Listening, Cognitive flexibility, Research Methodologies
Beginner · Specialization · 3 - 6 Months