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.
Universidad Austral
Skills you'll gain: Responsive Web Design, LESS, Bootstrap (Front-End Framework), Version Control, HTML and CSS, UI Components, Web Design, Web Development Tools, Cascading Style Sheets (CSS), Web Development, Front-End Web Development, Javascript and jQuery, Application Deployment, Node.JS, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Branding, Brand Strategy, Graphic Design, Target Audience, Social Media Content, Marketing Materials, Social Media, Scheduling, Presentations, Content Creation, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

Wesleyan University
Skills you'll gain: Motivational Interviewing, Cognitive Behavioral Therapy, Mental Health Therapies, Behavioral Health, Mental and Behavioral Health, Psychotherapy, Psychology, Experimentation, Health Education, Goal Setting
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Estimation, Engineering Calculations, Applied Mathematics, Mathematical Modeling, Engineering Analysis, Differential Equations, Physics
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Animations, Editing, Writing and Editing, Content Creation, Video Editing, Video Production, Training and Development
Beginner · Guided Project · Less Than 2 Hours

Rice University
Skills you'll gain: Environmental Monitoring, Water Quality, Hydrology, Environmental Engineering, Water Resources, Biochemistry, Environmental Science, Mathematical Modeling, Analytical Chemistry, Laboratory Research, Microbiology, Chemical Engineering, Chemistry
Advanced · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Economic Development, Community Development, Entrepreneurship, Project Design, Sustainable Development, Socioeconomics, International Relations, Competitive Analysis, New Business Development, Innovation, Business Economics, Policy Development, Governance
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS SageMaker, AWS Identity and Access Management (IAM), Image Analysis, Amazon Elastic Compute Cloud, Amazon S3, Applied Machine Learning, Application Deployment, Machine Learning Algorithms, Computer Vision, Deep Learning, Machine Learning
Advanced · Guided Project · Less Than 2 Hours

EDHEC Business School
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Mergers & Acquisitions, Capital Markets, Project Finance, Financial Market, Investment Banking, Corporate Finance, Loans, Asset Management, Sustainable Development, Derivatives
Intermediate · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Case Studies, Research, Scientific Methods, Investigation
Beginner · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Policy Analysis, Innovation, Systems Thinking, Storytelling, Sociology, Social Sciences, Creative Thinking, Economics, Policy, and Social Studies, Transportation Operations, Sustainable Development, Cultural Diversity, Critical Thinking, Sustainable Systems, Diversity Awareness, Case Studies, Environmental Science, Sustainable Technologies, Spatial Analysis, Human Centered Design, Research
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Case Studies, Manufacturing Processes, Digital Transformation, IT Infrastructure, Manufacturing and Production, Business Transformation, Technology Strategies, Business Technologies, Information Technology, Emerging Technologies, Technology Roadmaps, System Implementation, Strategic Partnership, Cost Benefit Analysis, Business Valuation
Build toward a degree
Beginner · Course · 1 - 4 Weeks