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: Packaging and Labeling, Competitive Analysis, Presentations, Product Design, Design Strategies, Design, Marketing Design, Adobe Illustrator, Graphic Design, Branding, Creative Design, Adobe Photoshop, Typography, Color Theory
Intermediate · Course · 1 - 4 Weeks

American Museum of Natural History
Skills you'll gain: Environmental Monitoring, Climate Change Adaptation, Systems Thinking, Climate Change Mitigation, Environment, Environmental Science, Hydrology, Environmental Issue, Physical Science, Data Collection, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Audit Planning, Enterprise Architecture, Compliance Management, Regulatory Compliance, Quality Assurance, Enterprise Risk Management (ERM), Quality Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Application Deployment, Software Development Life Cycle, Continuous Deployment, Continuous Integration, Amazon Web Services, AWS CloudFormation, Amazon Elastic Compute Cloud, Regression Testing, Unit Testing, Infrastructure as Code (IaC), Docker (Software), Containerization, Amazon S3, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Emotional Intelligence, Conflict Management, Cognitive flexibility, Dealing With Ambiguity, Team Leadership, Team Performance Management, Leadership and Management, Communication, Team Management, Organizational Leadership, Resilience, Team Building, Decision Making, Stress Management, Team Motivation, Psychology, Performance Management, Behavioral Management, Critical Thinking
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Endpoint Detection and Response, Distributed Denial-Of-Service (DDoS) Attacks, Threat Management, Anomaly Detection, Continuous Monitoring, System Monitoring, Virtual Machines, Network Security, Event Monitoring, Network Monitoring, Network Analysis
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Generative AI, Large Language Modeling, Responsible AI, ChatGPT, AI Product Strategy, Artificial Intelligence, LLM Application, Data Ethics, Prompt Engineering, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, C++ (Programming Language), Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Organizational Leadership, Leadership and Management, Industrial and Organizational Psychology, Qualitative Research, Organizational Structure, Organizational Effectiveness, Organizational Change, Culture, Social Sciences, Employee Engagement, Sociology, Sustainable Development
Beginner · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Economics, Game Theory, Economic Development, Market Dynamics, Socioeconomics, Behavioral Economics, Business Economics, Policy Analysis, Public Policies, Decision Making, Market Analysis, Consumer Behaviour, Supply And Demand, Analysis, Cost Benefit Analysis, Strategic Decision-Making, Competitive Analysis, Production Planning, Critical Thinking, Resource Allocation
Build toward a degree
Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Water Resources, Environment, Climate Change Adaptation, Environmental Issue, Environmental Science, Land Management, Natural Resource Management, Water Quality, Sustainable Development, Education and Training, Environment Health And Safety, Teaching, Social Studies, Systems Thinking, Biology, Collaboration
Beginner · Specialization · 1 - 3 Months

Macquarie University
Skills you'll gain: Identity and Access Management, AWS Identity and Access Management (IAM), Authentications, User Provisioning, Multi-Factor Authentication, Security Assertion Markup Language (SAML), Single Sign-On (SSO), Threat Modeling, User Accounts, Key Management, Cyber Security Assessment, Threat Management, Azure Active Directory, OAuth, Cybersecurity, Role-Based Access Control (RBAC), Threat Detection, Cryptography, Risk Management, Remote Access Systems
Beginner · Course · 1 - 3 Months