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.

Institut Mines-Télécom
Skills you'll gain: Decision Making, Strategic Decision-Making, Data-Driven Decision-Making, Risk Management, Systems Thinking, Project Risk Management, Complex Problem Solving, Expectation Management, Behavioral Economics, Risk Analysis, Project Management, Performance Measurement, Innovation, Business Strategy, Business Metrics, Research
Beginner · Course · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Cloud Security, Infrastructure Security, Kubernetes, Data Security, Virtual Machines, Remote Access Systems, Role-Based Access Control (RBAC), Data Storage Technologies, Identity and Access Management, Databases, Containerization, Key Management, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Disaster Recovery, Identity and Access Management, Amazon Web Services, Cloud Security, Cloud Management, Amazon Elastic Compute Cloud, Data Security, Public Cloud, Infrastructure Security
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon Web Services, Containerization, Docker (Software), Kubernetes, Application Deployment, Cloud-Native Computing, CI/CD, Devops Tools, Application Servers, Scalability
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Financial Modeling, Balance Sheet, Financial Statement Analysis, Financial Statements, Revenue Forecasting, Depreciation, Capital Expenditure, Financial Analysis, Financial Forecasting, Business Valuation, International Finance, Working Capital, Business Metrics, Equities, Cash Flows, Forecasting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Video Editing, Post-Production, Adobe Premiere, Videography, Motion Graphics, Adobe After Effects, Video Production, Timelines, Color Theory
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Management, Database Systems, Relational Databases, Databases, Database Management Systems, SQL, NoSQL, Data Modeling, Unified Modeling Language, Data Manipulation, Performance Tuning
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Color Theory, Web Design, Responsive Web Design, HTML and CSS, ChatGPT, User Interface (UI) Design, Web Content, Generative AI, Development Environment, Javascript, Web Servers, Cloud Hosting, Software Installation, Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Outbound Calls, Operational Efficiency, Generative AI Agents, Workflow Management, Business Process Automation, Customer Service, Automation, Prompt Engineering, Systems Integration, Integration Testing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Employee Retention, Employee Engagement, Employee Training, Employee Surveys, Employee Performance Management, Diversity and Inclusion, Workforce Planning, Compensation and Benefits, Telecommuting, Workforce Management, Constructive Feedback, Culture Transformation, Virtual Teams, Mental Health Diseases and Disorders
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Digital Transformation, Business Ethics, Predictive Modeling, Predictive Analytics, Simulation and Simulation Software, Business Transformation, Advanced Analytics, Customer experience strategy (CX), Scikit Learn (Machine Learning Library), Operations Research, Analytics, Business Technologies, Business Analytics, Data-Driven Decision-Making, Feature Engineering, Systems Thinking, Complex Problem Solving, Process Optimization, Technology Strategies, Applied Machine Learning
Intermediate · Specialization · 3 - 6 Months