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: Cyber Threat Hunting, Incident Response, Cyber Threat Intelligence, Penetration Testing, Computer Security Incident Management, Intrusion Detection and Prevention, Threat Modeling, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Incident Management, Application Security, Encryption, Security Management, Cybersecurity, Vulnerability Scanning, Vulnerability Assessments, Open Web Application Security Project (OWASP), Security Information and Event Management (SIEM)
Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Combinatorics, Theoretical Computer Science, Algorithms, Graph Theory, Computational Thinking, Data-oriented programming, Operations Research, Python Programming, Mathematical Modeling
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Social Network Analysis, Social Media Marketing, Social Media, Consumer Behaviour, Content Creation, Influencing, Advertising, Marketing, Marketing Psychology, Brand Strategy, Storytelling, Communication
Mixed · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Education Software and Technology, Peer Review, Instrumental Music, Teaching, Music Performance, Oral Expression, World Music, Storytelling, Classroom Management, Media Production, Cultural Responsiveness, Writing, Creativity, Empowerment, Collaboration, Technology Solutions
Intermediate · Specialization · 3 - 6 Months
Michigan State University
Skills you'll gain: Infographics, Adobe Illustrator, Graphic and Visual Design, Data Mapping, Graphic Design, Typography, Design Elements And Principles, Graphical Tools, Storytelling, Color Theory
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 Toronto
Skills you'll gain: Computer Vision, Image Analysis, Control Systems, Automation, Deep Learning, Simulation and Simulation Software, Software Architecture, Safety Assurance, Artificial Neural Networks, Global Positioning Systems, Hardware Architecture, Systems Architecture, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Estimation, Algorithms, Machine Learning Methods, Mathematical Modeling, Predictive Modeling, Machine Learning Algorithms
Advanced · Specialization · 3 - 6 Months

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

Berklee
Skills you'll gain: Music Theory, Musical Composition, Music, Music Performance
Beginner · Course · 1 - 4 Weeks

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

Universidad Nacional Autónoma de México
Skills you'll gain: Supervision, Organizational Skills, Organizational Strategy, Leadership and Management, Delegation Skills, Strategic Planning, Leadership Development, Team Leadership, Leadership, Emotional Intelligence, Quality Management, Time Management, Organizational Leadership, Strategic Leadership, Performance Measurement, Creative Problem-Solving, Business Planning, People Management, Brainstorming, Coaching
Beginner · Specialization · 3 - 6 Months
University of Geneva
Skills you'll gain: Portfolio Management, Wealth Management, Risk Management, Investment Management, Financial Market, Capital Markets, Risk Analysis, Asset Management, Performance Measurement, Investments, Market Dynamics, Environmental Social And Corporate Governance (ESG), Financial Planning, Finance, Equities, Performance Analysis, Derivatives, FinTech, Financial Forecasting, Economics
Beginner · Specialization · 3 - 6 Months