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.

Universidad Nacional Autónoma de México
Skills you'll gain: Musical Composition, Music, Electronic Components, Electronics, Music Theory, Hardware Design, Digital Design, Instrumental Music, Embedded Systems, System Configuration, Algorithms, Performance Tuning, Programming Principles, Digital Communications, Creative Design, Interoperability, Other Programming Languages, Development Environment, Physics, Object Oriented Programming (OOP)
Beginner Ā· Specialization Ā· 1 - 3 Months

Illinois Tech
Skills you'll gain: Machine Learning Algorithms, Statistical Analysis, Data Visualization, Data Analysis, Exploratory Data Analysis, Data Cleansing, Analytics, Machine Learning, Data Science, Regression Analysis, Data Manipulation, Data Mining, Statistical Modeling, Python Programming, Feature Engineering, Scikit Learn (Machine Learning Library), Classification And Regression Tree (CART), Decision Tree Learning
Build toward a degree
Intermediate Ā· Course Ā· 1 - 3 Months

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

Arizona State University
Skills you'll gain: Semiconductors, Electronic Components, Electrical Engineering, Electronics Engineering, Electronics, Materials science
Intermediate Ā· Course Ā· 1 - 3 Months

University of Glasgow
Skills you'll gain: Business Writing, Business Correspondence, Writing, Report Writing, Business Communication, Storytelling, Organizational Structure, Vocabulary, Grammar, Concision, Target Audience, Editing, Press Releases
Intermediate Ā· Course Ā· 1 - 3 Months

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

Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Front-End Web Development, Mobile Development, UI Components
Beginner Ā· Course Ā· 1 - 4 Weeks

Kotter
Skills you'll gain: Organizational Change, Change Management, Business Transformation, Leadership and Management, Organizational Structure, Organizational Leadership, People Management, Industrial and Organizational Psychology, Leadership Development, Leadership, Drive Engagement, Stakeholder Engagement, Diversity and Inclusion, Lifelong Learning
Beginner Ā· Course Ā· 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Performance Appraisal, Talent Recruitment, Talent Acquisition, Workforce Development, Recruitment, Recruitment Strategies, Training Programs, Negotiation, Performance Management, Resilience, Employee Onboarding, Human Resources Management and Planning, Human Resources, Organizational Leadership, Leadership and Management, Business Ethics, Industrial and Organizational Psychology, Team Leadership, Leadership, Conflict Management
Beginner Ā· Specialization Ā· 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Team Motivation, Business Ethics, Emotional Intelligence, Leadership and Management, Business Leadership, Decision Making, Waterfall Methodology, Leadership, Self-Motivation, Organizational Leadership, Leadership Development, Initiative and Leadership, Communication, Management Training And Development, Project Design, Strategic Decision-Making, Project Management
Beginner Ā· Course Ā· 1 - 4 Weeks

UniversitĆ di Napoli Federico II
Skills you'll gain: Economic Development, Sustainable Development, Socioeconomics, Financial Inclusion, Economics, Human Capital, Policy Analysis, Econometrics, Program Evaluation, Social Sciences, Analysis, Financial Analysis, Entrepreneurship, Insurance, Regression Analysis
Beginner Ā· Course Ā· 1 - 3 Months

Multiple educators
Skills you'll gain: Sustainable Business, Sustainable Development, Organizational Leadership, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Systems Thinking, Brand Marketing, Change Management, Strategic Leadership, Professional Development, Waste Minimization, Packaging and Labeling, Environment and Resource Management, Business Leadership, Regulatory Compliance, Engineering Management, Market Opportunities, Key Performance Indicators (KPIs), Emerging Technologies, Digital Marketing
Build toward a degree
Beginner Ā· Specialization Ā· 1 - 3 Months