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.

Johns Hopkins University
Skills you'll gain: DevOps, DevSecOps, CI/CD, GitHub, Continuous Deployment, Continuous Integration, Version Control, Git (Version Control System), Process Improvement, Software Development, IT Automation, Digital Transformation, Business Transformation, Cross-Functional Collaboration, Continuous Improvement Process, Agile Methodology
Intermediate · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Music Theory, Musical Composition, Music, Peer Review, Instrumental Music, Music Performance, Media Production, Post-Production, Creativity, Timelines, Writing and Editing, Writing, Editing, Digital Signal Processing
Beginner · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Social Media, Social Media Marketing, Social Media Strategy, Key Performance Indicators (KPIs), Social Network Analysis, Facebook, Pinterest, LinkedIn, Instagram, TikTok, Dashboard, Analytics, Target Audience
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Java Programming, Theoretical Computer Science, Computer Programming, Computational Thinking, Programming Principles, Performance Tuning, Object-Relational Mapping, Computer Programming Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Visualization, Keras (Neural Network Library), Data Preprocessing, Artificial Neural Networks, Interactive Data Visualization, Predictive Modeling, Tensorflow, Applied Machine Learning, Feature Engineering, Data Science, Predictive Analytics, Data Manipulation, Machine Learning, Model Evaluation, Regression Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Marketing Collateral, Design, Marketing Materials, Graphic Design, Productivity, Color Theory, Presentations, Digital Content, Organizational Skills, Planning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Adobe Photoshop, Adobe Creative Cloud, Photo Editing, Generative AI, Image Quality, Generative AI Agents, Graphic and Visual Design, Data Import/Export, File Management, Design, Creative Thinking, Color Theory, Storytelling
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Legal Research, Public Policies, Policy Analysis, Policy Development, Research Methodologies, Systems Thinking, Social Sciences, Trend Analysis, Social Justice, Qualitative Research, Ethical Standards And Conduct, Creativity
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Supply And Demand, Market Dynamics, Property and Real Estate, Real Estate, Land Management, Economic Development, Commercial Real Estate, Financial Market, Market Data, Economics, Market Analysis, Price Negotiation, Construction Estimating
Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Musical Composition, Music Theory, Music, Music History, Classical Music, Creativity
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Angular, Application Deployment, JavaScript Frameworks, Software Testing, Test Tools, Web Development Tools, Unit Testing, Application Performance Management, CI/CD, Continuous Integration, Web Applications, TypeScript, Ajax, Application Lifecycle Management, Secure Coding, Web Development, Code Coverage, Software Architecture, Command-Line Interface, Version Control
Intermediate · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Java, Teaching, Programming Principles, Program Development, Pedagogy, Computer Programming, Integrated Development Environments, Computational Thinking, Software Design, Cultural Responsiveness, Data Structures, Digital pedagogy, Test Case, Computational Logic, Pseudocode, Computer Science, Algorithms, Theoretical Computer Science
Beginner · Specialization · 3 - 6 Months