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 California, Davis
Skills you'll gain: Social Network Analysis, Social Sciences, Network Analysis, Data Science, Machine Learning, Computational Thinking, Artificial Intelligence, Data Analysis, Simulations, Big Data, Scientific Methods
Beginner · Course · 1 - 4 Weeks

University of New Mexico
Skills you'll gain: Trauma Care, Music, Mental and Behavioral Health, Cultural Sensitivity, Compassion, Health Care, Mindfulness, Cultural Diversity
Beginner · Course · 1 - 3 Months
Arizona State University
Skills you'll gain: Lesson Planning, Parent Communication, Differentiated Instruction, Student Engagement, Instructional Strategies, Language Competency, Curriculum Planning, English Language, Community Outreach, Peer Review, Instructional Design, Developing Training Materials, Instructional and Curriculum Design, Teaching, Cultural Diversity, Language Learning, Cultural Sensitivity, Learning Theory, Grammar, Case Studies
Intermediate · Specialization · 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: Economics, Policy, and Social Studies, Economics, Socioeconomics, Sustainable Development, Policy Analysis, Data Analysis, Tax, Environmental Issue, International Relations, Trend Analysis, Investments, Policy Development, Behavioral Economics, Supply And Demand, Data Collection
Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Economics, Financial Policy, Financial Market, International Finance, Economics, Policy, and Social Studies, Capital Markets, Tax, Fiscal Management, Investments, Market Dynamics, Supply And Demand, Consumer Behaviour, Decision Making, Expectation Management
Intermediate · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Team Management, Team Building, Meeting Facilitation, Conflict Management, Team Leadership, Six Sigma Methodology, Lean Six Sigma, Discussion Facilitation, Project Management, Cross-Functional Collaboration, Communication
Mixed · Course · 1 - 4 Weeks

University of Cambridge
Skills you'll gain: Childhood Education and Development, Human Learning, Child Development, Psychology, Teaching, Decision Making, Learning Theory, Instructional Strategies, Learning Strategies, Empathy, Neurology, Magnetic Resonance Imaging, Disabilities, Autism Spectrum Disorders, Medical Imaging, Special Education, Electrophysiology, Differentiated Instruction, Human Development, Non-Verbal Communication
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Demography, Environmental Regulations, Environmental Policy, Environment Health And Safety, Pollution Prevention, Environment, Public Health, Environmental Science, Occupational Health, Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Radiation Protection, Water Quality, Community Health
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Desktop Support, Network Troubleshooting, Technical Support, Hardware Troubleshooting, System Support, Help Desk Support, Debugging, Microsoft Windows, Mac OS, Unix, Problem Management, Computer Hardware, Network Monitoring, Generative AI, Operating Systems, System Configuration, Software Installation, Technical Communication, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Music History, World Music, Classical Music, Music, Music Theory, Music Performance, Musical Composition
Beginner · Course · 1 - 3 Months

Copenhagen Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Stakeholder Engagement, Sustainable Development, Business Modeling, Innovation, Environmental Social And Corporate Governance (ESG), Marketing Communications, Business Strategies, Case Studies, Systems Thinking, Strategic Partnership
Beginner · Course · 1 - 3 Months

EIT Digital
Skills you'll gain: Software Architecture, Functional Requirement, Requirements Analysis, Internet Of Things, Software Design Patterns, User Requirements Documents, Android Development, Application Frameworks, Maintainability, Interoperability, Software Quality (SQA/SQC)
Mixed · Course · 1 - 3 Months