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 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

Skills you'll gain: Technical Support, Technical Support and Services, Hardware Troubleshooting, Cloud Computing, Desktop Support, Cloud Services, Cybersecurity, System Support, End User Training and Support, Cloud Storage, Network Troubleshooting, Cloud Security, Computer Hardware, Customer Service, General Networking, Data Storage, Issue Tracking, Operating Systems
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Ancient History, World History, Timelines, Storytelling, Liberal Arts, Culture, Systems Thinking, Learning Strategies, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Social Network Analysis, Network Analysis, Social Sciences, Sociology, Agentic systems, Systems Thinking, Economics, Policy, and Social Studies, Simulations, Culture, Complex Problem Solving, Innovation
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Marketing Analytics, Advanced Analytics, Customer Retention, Analytics, Predictive Modeling, Marketing, Data Analysis, Social Network Analysis, Data Ethics, Customer Insights, Market Analysis, Text Mining, Predictive Analytics, Responsible AI, Consumer Behaviour, Pandas (Python Package), Marketing Strategy and Techniques, Digital Marketing, Machine Learning, Generative AI
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Supervised Learning, Dimensionality Reduction, Unsupervised Learning, Applied Machine Learning, Decision Tree Learning, Machine Learning, Financial Trading, Financial Market, Reinforcement Learning, Scikit Learn (Machine Learning Library), Financial Services, Regression Analysis, Correlation Analysis, Exploratory Data Analysis, Portfolio Management, Python Programming, Artificial Neural Networks, Jupyter
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Instructional Design, Learning Theory, User Experience Design, Design Thinking, Education Software and Technology, Professional Development, Diversity Equity and Inclusion Initiatives, User Centered Design, Collaboration, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Engagement, Resource Management, Stakeholder Management, Stakeholder Analysis, Project Schedules, Resource Planning, Project Management Institute (PMI) Methodology, Stakeholder Communications, Negotiation, Project Management, Resource Allocation, Leadership and Management, Leadership, Scheduling, Project Coordination, Team Leadership, Emotional Intelligence, Communication, Technical Communication, Decision Making
Intermediate · Course · 1 - 3 Months

IE Business School
Skills you'll gain: International Finance, Economics, International Relations, Economic Development, Global Marketing, Financial Trading, Socioeconomics, World History, Supply And Demand, Political Sciences, Trend Analysis, Risk Analysis
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Project Management, Compliance Management, Strategic Decision-Making, Expectation Management, Milestones (Project Management), Project Schedules, Resource Management, Governance Risk Management and Compliance, Relationship Management, Program Management, Project Planning, Project Implementation, Project Documentation, Product Management, Risk Management, Engineering Documentation, Technical Documentation
Beginner · Specialization · 3 - 6 Months

Wesleyan University
Skills you'll gain: Motivational Interviewing, Cognitive Behavioral Therapy, Mental Health Therapies, Behavioral Health, Mental and Behavioral Health, Psychotherapy, Psychology, Experimentation, Health Education, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Field-Programmable Gate Array (FPGA), Application Specific Integrated Circuits, Computational Logic, Computer Architecture, Hardware Design, Electronics Engineering, Electronics, Programmable Logic Controllers, Electronic Systems, Semiconductors, Electronic Components, Data Storage, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks