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.

Skills you'll gain: Graphical Tools, Digital Design, Design Elements And Principles, Creativity, Peer Review, Color Theory
Mixed · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: NoSQL, MongoDB, Distributed Computing, Database Systems, Scalability, Big Data, Databases, Software Architecture, Data Processing, Data Storage Technologies, Data Modeling, Relational Databases, Unstructured Data, Graph Theory
Beginner · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Economics, Financial Policy, Market Dynamics, Economic Development, Supply And Demand, Socioeconomics, Policy Analysis, International Relations, Production Line
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Web Design and Development, User Interface and User Experience (UI/UX) Design, Animations, Typography, Color Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Identity and Access Management, Network Security, Cloud Security, Security Management, Authorization (Computing), Data Access, Security Information and Event Management (SIEM), Firewall, Role-Based Access Control (RBAC), Continuous Monitoring, Key Management, Threat Detection, IT Automation, Incident Management
Intermediate · Course · 1 - 4 Weeks

ISAE-SUPAERO
Skills you'll gain: Finite Element Methods, Structural Analysis, Vibrations, Engineering Analysis, Mathematical Modeling, Mechanical Engineering, Linear Algebra, Numerical Analysis, Applied Mathematics, Control Systems, Differential Equations
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Governance, Database Management, Database Systems, NoSQL, SQL, MongoDB, Relational Databases, Big Data, Graph Theory, Data Storage, Apache Hadoop, Data Manipulation, Apache Spark
Build toward a degree
Mixed · Course · 1 - 3 Months
Dartmouth College
Skills you'll gain: Liberal Arts, Systems Thinking, Psychology, Research, Science and Research
Mixed · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Sustainable Business, Business Modeling, Corporate Sustainability, Business Transformation, Environment and Resource Management, Business Technologies, Finance, Policy Development, Case Studies
Beginner · Course · 1 - 3 Months

University of Lausanne
Skills you'll gain: Health Policy, Public Health, Policy Development, Community Health, Health Systems, Environmental Policy, Health Assessment, Sustainable Development, Governance, Systems Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Software Design, Network Engineering, Restful API, Virtualization and Virtual Machines, Web Applications, TCP/IP, YAML, Extensible Markup Language (XML), Authentications
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Design Thinking, Ideation, Sustainable Design, Creative Thinking, Creative Problem-Solving, Systems Thinking, Innovation, Sustainable Development, Biotechnology, Biology, Usability Testing, Prototyping, Communication, Empathy
Beginner · Course · 1 - 3 Months