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.

Pontificia Universidad Católica de Chile
Skills you'll gain: Sustainable Development, Environment, Environmental Issue, Social Justice, Environment and Resource Management, Sustainability Standards, Climate Change Adaptation, Natural Resource Management, Systems Thinking, Social Sciences, Climate Change Mitigation, Economic Development
Beginner · Course · 1 - 3 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 · Course · 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 · Course · 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 · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Visualization, Data Presentation, Data Visualization Software, Dashboard, Looker (Software), Data Modeling, Data Access, Business Analytics, UI/UX Strategy, Data Analysis, Data Governance, Performance Tuning, Cloud Services, Self Service Technologies, Version Control
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Environmental Laws, Sustainable Development, Climate Change Adaptation, Community Development, Land Development, Sustainable Design, Social Justice, Stormwater Management, Environmental Policy, Water Sustainability, Policy Analysis, Sustainable Technologies, Civil Engineering, Climate Change Mitigation, Policy Development, Public Policies, Environmental Resource Management, Public Affairs, Fire And Life Safety
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Regression Testing, Scenario Testing, Test Execution Engine, Javascript, Browser Compatibility, Scripting, Automation, Web Development Tools, Computer Programming
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Ansible, Devops Tools, Containerization, Docker (Software), Artifactory, Kubernetes, Prometheus (Software), Apache Maven, GitHub, CI/CD, DevOps, Continuous Integration, Version Control, Application Deployment, Software Development Tools, Build Tools, Continuous Deployment, Grafana, Application Performance Management, Continuous Delivery
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Graph Theory, C++ (Programming Language), Network Routing, Data Structures, Network Model, Object Oriented Programming (OOP), Computational Thinking, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Design Reviews, Graphic and Visual Design, Creative Design, Typography, Design Elements And Principles, Peer Review, Infographics, Motion Graphics, Content Creation, Animations, Image Quality, Advertising, Color Theory, Online Advertising
Beginner · Course · 3 - 6 Months

Skills you'll gain: GitHub, Version Control, Git (Version Control System), Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Software Configuration Management, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Artificial Neural Networks, Deep Learning, Matplotlib, Linear Algebra, Image Analysis, NumPy, Scientific Visualization, Machine Learning Algorithms, Keras (Neural Network Library), Pandas (Python Package), Seaborn, Artificial Intelligence and Machine Learning (AI/ML), Data Science, Applied Machine Learning, Tensorflow, Data Analysis, Supervised Learning, Python Programming, Artificial Intelligence, Machine Learning
Beginner · Specialization · 3 - 6 Months