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.

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

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

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, Social Sciences, Ancient History
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Computer Architecture, Desktop Support, Data Storage Technologies, System Configuration, USB, Peripheral Devices, System Support, End User Training and Support
Beginner · Course · 1 - 3 Months

ESADE Business and Law School
Skills you'll gain: Succession Planning, Governance, Business Modeling, Systems Thinking, Organizational Structure, Business Management, Business Systems, Risk Analysis, Technology Strategies, Business Transformation, Business, Organizational Development, Family Support, Business Leadership, Business Strategy, Innovation, Business Analysis, Entrepreneurship, Communication, Case Studies
Beginner · Specialization · 3 - 6 Months

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

University of Virginia Darden School Foundation
Skills you'll gain: Business Strategy, Competitive Analysis, Strategic Decision-Making, Organizational Strategy, Market Analysis, Analysis, Business Analysis, Business Modeling, Value Propositions, Case Studies, Market Dynamics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Software Versioning, Bitbucket, GitLab, Collaborative Software, Software Development, Software Engineering, Project Management
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Crisis Management, Business Consulting, Management Consulting, Strategic Communication, Emergency Response, Corporate Communications, Leadership, Risk Management, Leadership and Management, Business Leadership, Public Affairs, Business Risk Management, Contingency Planning, Business Continuity Planning, Risk Analysis, Case Studies, Stakeholder Communications, Internal Communications, Communication, Critical Thinking
Beginner · Specialization · 1 - 3 Months

University of North Texas
Skills you'll gain: Hospitality Management, Hospitality, Employee Training, Human Resources Management and Planning, Performance Appraisal, Leadership and Management, Team Motivation, Training Programs, Human Resources, Customer experience improvement, Recruitment, Employee Performance Management, Human Resource Strategy, Legal Risk, Employee Onboarding, Talent Acquisition, Job Analysis, Interviewing Skills
Beginner · Course · 1 - 4 Weeks