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.

Illinois Tech
Skills you'll gain: Market Dynamics, Supply And Demand, Game Theory, Economics, Market Trend, Business Economics, Market Analysis, Operating Cost, Business Strategy, Competitive Analysis, Cost Management, Strategic Decision-Making, Decision Making
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Team Leadership, Team Management, Delegation Skills, Team Performance Management, Leadership, People Management, Team Building, Leadership and Management, Virtual Teams, Mentorship, Conflict Management, Coaching, Constructive Feedback, Goal Setting, Communication Strategies, Cultural Diversity, Diversity and Inclusion
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Stored Procedure, Database Design, Git (Version Control System), Database Development, MySQL Workbench, MySQL, Databases, Database Application, Data Visualization Software, Version Control, SQL, Tableau Software, Data Modeling, Transaction Processing, Django (Web Framework), Project Management, Application Development
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Health Systems, Health Care Administration, Governance, Health Care, Health Policy, Health Disparities, Health Equity, Clinical Leadership, Social Network Analysis, Social Determinants Of Health, Preventative Care, Public Health and Disease Prevention, Community Health, Continuous Quality Improvement (CQI)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Metasploit, Penetration Testing, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Cybersecurity, Data Ethics, Virtual Machines, Linux, Technical Documentation
Beginner · Guided Project · Less Than 2 Hours

The University of Notre Dame
Skills you'll gain: Negotiation, Leadership Development, Change Management, Leadership, Organizational Leadership, Initiative and Leadership, Business Ethics, Business Leadership, Problem Solving, Critical Thinking and Problem Solving, Emotional Intelligence, Personal Development, Industrial and Organizational Psychology, Influencing, Self-Awareness, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graphic and Visual Design, Adobe Creative Cloud, Color Theory, Graphic Design, Logo Design, Digital Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Data Transformation, Supervised Learning, Predictive Modeling, Feature Engineering, Scikit Learn (Machine Learning Library), Data Processing
Intermediate · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: CI/CD, Continuous Integration, Application Deployment, Continuous Delivery, Software Development, Version Control, Git (Version Control System), DevOps, Test Automation, Unit Testing, Amazon Web Services, Software Testing
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Course Development, Instructional Design, Learning Theory, Brainstorming, Design Thinking, Needs Assessment, Motivational Skills, Prototyping, Student-Centred Learning, Creativity, Analysis, Communication
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Presentations, Verbal Communication Skills, Communication, Non-Verbal Communication, Microsoft PowerPoint, Business Communication, English Language, Interpersonal Communications, Business Leadership, Crisis Management, Organizational Structure, Leadership and Management, Business, Business Management, Global Marketing, Rapport Building, Leadership, Corporate Communications, Grammar, Vocabulary
Mixed · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Innovation, Strategic Thinking, Systems Thinking, Technology Strategies, Digital Transformation, Case Studies, Business Modeling, Business Transformation, Company, Product, and Service Knowledge, Market Opportunities, Timelines, Market Dynamics
Beginner · Course · 1 - 4 Weeks