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 Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Research Design, Statistical Analysis, Data Ethics, Statistical Modeling, Data Science, Data Analysis, Quantitative Research, Regression Analysis, Probability & Statistics, Linear Algebra, Calculus
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Business Economics, Market Dynamics, Economics, Game Theory, Supply And Demand, Operating Cost, Cost Benefit Analysis, Market Analysis, Consumer Behaviour, Policty Analysis, Research, and Development, Decision Making
Beginner · Course · 1 - 3 Months
Dartmouth College
Skills you'll gain: Neurology, Creativity, Anatomy, Critical Thinking, Culture, Mindfulness, Liberal Arts, Physiology, Research, Psychology, Social Sciences, Ethical Standards And Conduct, Human Learning, Anthropology, Biology, Sociology, Systems Thinking, Cultural Diversity, Experimentation, Science and Research
Beginner · Specialization · 1 - 3 Months

Skillshare
Skills you'll gain: Creative Design, Creativity, Peer Review, Digital Design, Design Elements And Principles, Graphical Tools, Storyboarding, Storytelling, Design Software, Technical Drawing, Color Theory
Beginner · Specialization · 1 - 3 Months

Queen Mary University of London
Skills you'll gain: Delegation Skills, Leadership Development, Leadership, Executive Presence, Time Management, Leadership and Management, Influencing, Conflict Management, Professional Development, Emotional Intelligence, Self-Awareness, Communication, Adaptability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Infographics, Marketing Collateral, Design, Marketing Materials, Creative Design, Graphic Design, Digital Design, Productivity, Color Theory, Presentations, Digital Content, Organizational Skills, Planning, Editing
Intermediate · Guided Project · Less Than 2 Hours

EIT Digital
Skills you'll gain: Personally Identifiable Information, Information Privacy, Law, Regulation, and Compliance, Data Ethics, International Relations, Cybersecurity, World History, European History, Research, Political Sciences
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Stress Management, Resilience, Writing, Literacy, Editing, Mental Health, Mindfulness, Learning Strategies, Learning Theory, Human Learning, Mental Concentration, Proofreading, Physiology, Productivity, Psychology, Self-Awareness, Emotional Intelligence, Time Management, Cognitive Behavioral Therapy, Critical Thinking
Beginner · Specialization · 3 - 6 Months

Universidade de São Paulo
Skills you'll gain: Network Analysis, Social Network Analysis, Data Visualization, Scientific Visualization, Graph Theory, Exploratory Data Analysis, Environmental Science, Data Analysis, R Programming, Data Science, Mathematical Modeling
Beginner · Course · 1 - 4 Weeks

EIT Digital
Skills you'll gain: Computational Logic, Combinatorics, Logical Reasoning, Mathematical Modeling, Operations Research, Theoretical Computer Science, Applied Mathematics, Algorithms, Linear Algebra, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Social Determinants Of Health, Health Disparities, Health Equity, Health Policy, Systems Thinking, Health Informatics, Public Health, Community Health, Data Analysis, Socioeconomics, R Programming, Data Visualization
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: GitHub, Git (Version Control System), Version Control, Software Versioning, Software Development Tools, Collaborative Software
Build toward a degree
Beginner · Course · 1 - 4 Weeks