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.

Kennesaw State University
Skills you'll gain: Process Improvement, Six Sigma Methodology, Lean Six Sigma, Knowledge Transfer, Continuous Improvement Process, Lean Manufacturing, Quality Management, Product Design, Statistical Methods, Design and Product, Probability & Statistics
Mixed · Course · 1 - 3 Months
Oracle
Skills you'll gain: Oracle Cloud, Generative AI, Large Language Modeling, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), ChatGPT, Cloud Services, Cloud Solutions, Cloud Computing, Cloud Infrastructure, Deep Learning, Prompt Engineering, Artificial Neural Networks, Natural Language Processing, Enterprise Resource Planning, Application Deployment, Python Programming, Supply Chain Management, Customer Relationship Management (CRM) Software, Human Capital
Beginner · Specialization · 1 - 3 Months

Parsons School of Design, The New School
Skills you'll gain: Sustainable Architecture, Sustainable Design, Chemistry, Construction, Building Design, Materials Management, Procurement, Environment Health And Safety, Sustainable Development, Health Disparities, Public Health, Sustainability Standards, Environmental Engineering, Architectural Design, Systems Thinking, Chemical Engineering, Waste Minimization, Health Assessment, Hazard Analysis, Architectural Engineering
Intermediate · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Version Control, Integrated Development Environments, GitHub, Git (Version Control System), Internet Of Things, Software Development Tools, Embedded Systems, Prototyping, Linux, Operating Systems, Peripheral Devices, Command-Line Interface, Computer Hardware
Mixed · Course · 1 - 3 Months

MedCerts
Skills you'll gain: Positive Behavior Support, Speech Therapy, Behavior Management, Autism Spectrum Disorders, Education and Training, Communication Strategies, Social Skills, Interpersonal Communications, Mental and Behavioral Health, Teaching, Communication, Learning Theory, Child Development, Classroom Management, Training Programs, Instructional Strategies, Developmental Disabilities, Proactivity, Data Collection, Learning Strategies
Beginner · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Systems, Database Management, Database Theory, Databases, Database Development, SQL, Database Management Systems, MySQL, Transaction Processing, Stored Procedure, Database Architecture and Administration, Data Modeling, Unified Modeling Language, Data Access, Data Integrity, Query Languages, Diagram Design, Application Development
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Yale University
Skills you'll gain: Aesthetics, Art History, Music History, Liberal Arts, Music, Education and Training, Social Justice, Social Impact, Performing Arts, Public Affairs, Cultural Diversity, Community Development, Classical Music, Case Studies
Mixed · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Environmental Engineering and Restoration, Sustainable Business, Sustainable Development, Natural Resource Management, Business Modeling, Corporate Sustainability, Environmental Science, Case Studies, Complex Problem Solving, Cost Benefit Analysis, Stakeholder Engagement, Strategic Partnership
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Music Theory, Music, Post-Production, Open Source Technology, Media Production, Musical Composition, Music History, Aesthetics, Collaborative Software, Data Sharing, Instrumental Music, Creativity, Digital Publishing, Software Installation, Editing, Content Creation
Beginner · Specialization · 1 - 3 Months

New York University
Skills you'll gain: Supervised Learning, Dimensionality Reduction, Unsupervised Learning, Applied Machine Learning, Decision Tree Learning, Machine Learning, Financial Trading, Reinforcement Learning, Scikit Learn (Machine Learning Library), Financial Services, Regression Analysis, Correlation Analysis, Exploratory Data Analysis, Portfolio Management, Python Programming, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Spatial Data Analysis, Augmented Reality, Data Visualization Software, Data Mapping, Color Theory, Database Management
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Health Informatics, Executive Presence, Strategic Communication, Healthcare Ethics, Strategic Planning, Health Care Administration, Health Policy, Leadership, Business Planning, Patient Safety, Innovation, Healthcare Project Management, Telehealth, Organizational Strategy, Design Thinking, Advocacy, Communication, Leadership and Management, Continuous Quality Improvement (CQI), Safety Standards
Beginner · Specialization · 1 - 3 Months