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: Canva (Software), Design, Design Elements And Principles, Graphic and Visual Design, Digital Design, Graphic Design, Developing Training Materials, Color Theory, Journals, Digital Publishing, Marketing
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Content Creation, Media and Communications, Storytelling, Social Media Strategy, Social Media, Digital Media Strategy, Marketing Strategies, Brand Management, Video Production, Branding, Revenue Management, Innovation, Target Audience, Online Advertising, Business Modeling, E-Commerce, Influencing, Augmented and Virtual Reality (AR/VR), Game Theory, Ethical Standards And Conduct
Beginner Ā· Specialization Ā· 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Regression Analysis, Correlation Analysis, Statistical Analysis, R (Software), Data Modeling
Intermediate Ā· Course Ā· 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, User Experience Design, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Web Design and Development, Front-End Web Development, Web Development, Microsoft Copilot, Mobile Development, Semantic Web, Git (Version Control System)
Beginner Ā· Specialization Ā· 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Performance Measurement, Competitive Analysis, Business Modeling, Market Research, Leadership and Management, Operational Analysis, Entrepreneurship, Target Market, Product Development, Systems Thinking, Business Strategies, Technology Strategies, Business Strategy, Organizational Leadership, Market Analysis, Product Management, Leadership, Engineering Management, Engineering
Build toward a degree
Beginner Ā· Course Ā· 1 - 3 Months

University of Michigan
Skills you'll gain: Injury Prevention, Child Welfare, Substance Abuse, Public Health, Public Safety and National Security, Epidemiology, Health Disparities, Community Health, Family Law, Health Policy, Risk Analysis, Program Evaluation, Mental Health, Research
Beginner Ā· Course Ā· 1 - 3 Months

Skillshare
Skills you'll gain: Graphic and Visual Design, ChatGPT, Creative Design
Beginner Ā· Specialization Ā· 1 - 3 Months

ESSEC Business School
Skills you'll gain: Collaboration, Sustainable Development, Business Transformation, Social Justice, Environmental Issue, Political Sciences, Socioeconomics, Social Sciences, Systems Thinking, Environmental Resource Management, Economics, Policy, and Social Studies, Adaptability, Community Development, Cultural Diversity, Governance
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Video Editing, TikTok, Storytelling, Timelines, Content Creation, Multimedia, Photo/Video Production and Technology, Animations, Color Theory, Typography
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Version Control, Application Deployment, Cloud Storage, Web Design and Development, Public Cloud
Beginner Ā· Guided Project Ā· Less Than 2 Hours

University of Michigan
Skills you'll gain: Music Theory, Classical Music, Music History, Musical Composition, Instrumental Music, Music
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Canva (Software), Instagram, Social Media Content, Graphic Design, Graphic and Visual Design, Social Media Marketing, Organizational Skills, Marketing Design, Typography, Color Theory, Business Strategy
Beginner Ā· Guided Project Ā· Less Than 2 Hours