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.

Wesleyan University
Skills you'll gain: Social Justice, Diversity Equity and Inclusion Initiatives, Diversity Awareness, Social Impact, Workplace inclusivity, Cultural Responsiveness, Community Organizing, World History, Design Thinking, Cultural Diversity, Storytelling, Train The Trainer, Systems Thinking, Training Programs, Discussion Facilitation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Debugging, Microsoft Visual Studio, Integrated Development Environments, Software Development Tools, Development Environment, Software Development
Intermediate · Guided Project · Less Than 2 Hours
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Semiconductors, Electronics Engineering, Electronics, Process Engineering, Manufacturing Processes, Electronic Components, Chemical Engineering, Materials science, Chemistry
Intermediate · Course · 1 - 3 Months

Parsons School of Design, The New School
Skills you'll gain: Sustainable Architecture, Sustainable Design, Sustainable Technologies, Material Handling, Architecture and Construction, Sustainable Business, Construction Management, Sustainable Development, Materials Management, Environmental Issue, Systems Thinking, Procurement, Environmental Policy, Climate Change Mitigation, Innovation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Presentation, Data Visualization Software, Infographics, Data Mapping, Data Ethics, Histogram, Color Theory, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: HVAC, Building Services Engineering, Thermal Management, Energy and Utilities, System Requirements, Control Systems, Safety Standards, Mechanical Engineering, Environmental Monitoring, System Monitoring, Sustainability Standards
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Agile Project Management, Agile Methodology, Risk Management, Stakeholder Management, User Story, Stakeholder Engagement, Leadership, Sprint Planning, Conflict Management, Earned Value Management, Stakeholder Analysis, Communication, Value Engineering, Contract Management, Prioritization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Photoshop, Photo Editing, Layout Design, Graphic Design, Marketing Collateral, Color Theory, Typography, Design Elements And Principles
Beginner · Guided Project · Less Than 2 Hours

Fred Hutchinson Cancer Center
Skills you'll gain: Model Evaluation, AI Enablement, AI Product Strategy, AI Security, Artificial Intelligence, Project Design, Goal Setting, Decision Making, Usability Testing, Needs Assessment, Project Planning, Cost Estimation, Resource Planning, Resource Management, Data Security
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Logic, Theoretical Computer Science, Automation, Systems Design, Systems Analysis, Robotics, Artificial Intelligence, Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Strategic Thinking, Strategic Leadership, Teamwork, Team Leadership, Business Leadership, Team Management, Business Ethics, Organizational Leadership, Leadership, Leadership and Management, Strategic Decision-Making, Leadership Development, Critical Thinking and Problem Solving, Ethical Standards And Conduct, Decision Making
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Image Quality, Image Analysis, Digital Signal Processing, Computer Vision, Color Theory, Python Programming, Algorithms, NumPy, Linear Algebra
Intermediate · Course · 1 - 3 Months