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.

University of Florida
Skills you'll gain: Land Management, Sustainable Development, Sustainable Systems, Water Resource Management, Water Resources, Sustainability Standards, Environment and Resource Management, Environment, Environmental Science, Natural Resource Management, Systems Thinking, Biology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, User Accounts, Unix Commands, Unix, Bash (Scripting Language), Command-Line Interface, Kubernetes, Git (Version Control System), GitHub, OS Process Management, Firewall, Ubuntu, Docker (Software), Containerization, Network Monitoring, Unix Shell, File Systems, Shell Script, TCP/IP, Version Control
Beginner · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Inventory Management System, Strategic Decision-Making, Business Research, Business Strategy, Game Theory, Competitive Analysis, Supply Chain Management, Business Modeling, Business Management, Market Dynamics
Beginner · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Sustainable Design, Sustainable Business, Sustainable Technologies, Sustainable Engineering, Operations Management, Business Leadership, Waste Minimization, Manufacturing Operations, Corporate Sustainability, Environmental Resource Management, Environmental Engineering, Product Design, Systems Thinking, Manufacturing Processes, Digital Transformation
Build toward a degree
Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Social Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Databases, Data Processing, Social Sciences, Trend Analysis, Data Collection, Unstructured Data, Simulations, Big Data, Machine Learning, Computational Thinking, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Product Lifecycle Management, Global Marketing, Innovation, Market Opportunities, Market Analysis, New Product Development, Technology Strategies, Competitive Analysis, Growth Strategies, Business Strategy, Strategic Thinking, Strategic Decision-Making
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Stored Procedure, Query Languages, MySQL, Database Management, Transaction Processing, Data Manipulation, Relational Databases
Beginner · Guided Project · Less Than 2 Hours

University of Glasgow
Skills you'll gain: Data-Driven Decision-Making, Business Leadership, Leadership Studies, Organizational Leadership, Leadership, Strategic Leadership, Organizational Structure, Leadership and Management, Leadership Development, Agile Product Development, Social Sciences, Ancient History
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Clinical Data Management, Statistical Reporting, Data Sharing, Version Control, Clinical Trials, GitHub, Data Quality, Medical Privacy, Quality Assurance, Risk Management, Maintainability, DevOps, R Programming, Package and Software Management, Agile Software Development, Agile Methodology
Intermediate · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Statistical Methods, Regression Analysis, Statistical Analysis, R (Software), Data Preprocessing, Data Quality, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Needs Assessment, Systems Thinking, Community Development, Organizational Change, Social Impact, Sustainable Development, Business Leadership, Corporate Sustainability, Strategic Thinking, Asset Management, Stakeholder Engagement, Relationship Building, Communication Strategies, Decision Making
Beginner · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: Problem Solving, Decision Making, Peer Review, Critical Thinking, Risk Analysis, Brainstorming, Strategic Decision-Making, Persuasive Communication, Estimation, Analysis, Prioritization, Professional Development
Beginner · Course · 1 - 4 Weeks