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: MLOps (Machine Learning Operations), AWS SageMaker, Amazon Web Services, Scalability, Machine Learning, Technical Design, Amazon Elastic Compute Cloud, Cloud Computing, AWS Identity and Access Management (IAM), Cloud Security, Data Management, Disaster Recovery, Data Security
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Photo Editing, Photography, Image Quality, Typography, Editing, Post-Production, Graphics Software, Color Theory, Automation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Typography, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Figma (Design Software), Browser Compatibility, Hypertext Markup Language (HTML), Wireframing, User Interface (UI) Design, Interactive Design, User Interface (UI), Web Content Accessibility Guidelines, Usability, Animations
Intermediate · Course · 3 - 6 Months

Yale University
Skills you'll gain: Liberal Arts, Social Studies, Culture, Anthropology, Teaching, Environment, World History, Creativity, Storytelling, Sustainable Development, Systems Thinking, Physical Science, Physics, Environmental Science, Biology, Economics, Music
Mixed · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Integrated Development Environments, Debugging, Microsoft Visual Studio, Unit Testing, Software Development Tools, Computer Programming Tools, Development Environment, Version Control
Beginner · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Data Visualization, Rmarkdown, Exploratory Data Analysis, Data Visualization Software, Ggplot2, Interactive Data Visualization, Plot (Graphics), Statistical Visualization, R (Software), R Programming, Data Storytelling, Data Presentation, Histogram, Scatter Plots, Data Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Jupyter, Python Programming, Programming Principles, Data Science, Generative AI, Scripting Languages, Development Environment, Computer Programming, Scripting, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Unix Commands, Unix, Shell Script, Bash (Scripting Language), Command-Line Interface, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Linux Commands, IT Automation, Linux, User Accounts, File Systems, System Monitoring, Operating Systems, File Management, Performance Tuning, System Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Algorithms, Technical Communication, Pseudocode, Computational Thinking, Solution Design, Programming Principles, Software Design, Theoretical Computer Science, Data Structures, Mathematical Modeling, Applied Mathematics, Computer Science
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Climate Change Adaptation, Market Dynamics, Supply And Demand, Economics, Climate Change Mitigation, Environmental Policy, Sustainable Development, Behavioral Economics, International Relations, Big Data, Cost Benefit Analysis, Environmental Regulations, Mathematical Modeling, Market Analysis, Tax Laws
Beginner · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Prompt Engineering, Generative AI Agents, Prompt Patterns, Generative AI, Agentic systems, AI Personalization, Kubernetes, Enterprise Application Management, ChatGPT, Containerization, Docker (Software), OpenAI, LangChain, Cloud Infrastructure, Scalability, System Monitoring, Artificial Intelligence and Machine Learning (AI/ML), MLOps (Machine Learning Operations), Python Programming, Engineering
Intermediate · Specialization · 3 - 6 Months