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.

Interactive Brokers
Skills you'll gain: Business Economics, Economics, Economic Development, Gross Profit, Fiscal Management, Financial Policy, Corporate Finance, Financial Statements, Financial Market, Supply And Demand, Banking, Market Dynamics, Forecasting
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Resource Utilization, Patient Flow, Lean Methodologies, Operational Efficiency, Operations Management, Health Care Procedure and Regulation, Process Improvement, Systems Thinking, Health Technology, Care Coordination, Workflow Management, Regulatory Requirements, Healthcare Industry Knowledge, Continuous Improvement Process, Cross-Functional Collaboration, Communication Strategies, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Bitbucket, GitLab, Software Development Tools, Software Installation, Software Configuration Management, Development Environment, Ubuntu, Command-Line Interface, Linux
Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Corporate Sustainability, Stakeholder Engagement, Sustainability Reporting, Environmental Social And Corporate Governance (ESG), Supply Management, Sustainability Standards, Procurement, Business Operations, Strategic Communication, Communication Strategies, Water Sustainability, Employee Engagement, Operational Efficiency, Supply Chain Management, Resource Utilization, Innovation, Waste Minimization, Systems Thinking, Culture
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Social Determinants Of Health, Scatter Plots, Health Policy, Environmental Monitoring, Environmental Science, Data Analysis, Health Education, Health Equity, Community Health, Regression Analysis, Systems Thinking, Public Health, Sustainable Development, Health Informatics, Forecasting, Climate Change Adaptation, Data Visualization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Manufacturing Operations, Production Management, Production Planning, Production Process, Operations Management, Business Operations, Inventory Control, Quality Control, Scheduling, Inventory Management System, Operational Efficiency, Lean Manufacturing, Material Requirements Planning, Quality Management, Project Management, Statistical Process Controls, Process Analysis, Workforce Management, Facility Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Disaster Recovery, Amazon Elastic Compute Cloud, Firewall, Network Security, Cloud Security, Application Security, Cloud Solutions, Scalability, Security Controls, Network Troubleshooting, Amazon CloudWatch, Network Administration, Identity and Access Management, Virtual Private Networks (VPN)
Intermediate · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Sustainable Architecture, Systems Thinking, Architectural Engineering, Sustainable Systems, Architectural Design, Sustainable Design, Building Design, Architecture and Construction, Civil and Architectural Engineering, Sustainable Development, Landscape Architecture, Environmental Engineering, Sustainable Engineering, Structural Analysis, Environmental Regulations, Policty Analysis, Research, and Development, Environment and Resource Management, Materials science, Thermal Management
Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Interactive Learning, Environmental Issue, Systems Thinking, Sustainable Development, Critical Thinking, Sustainable Business, Corporate Sustainability, Research, Sustainability Standards, Cultural Responsiveness, Social Studies, Consumer Behaviour, Policy Analysis, Environmental Policy, Business Ethics, Case Studies, Economics
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Serverless Computing, Application Programming Interface (API), Containerization, Google Cloud Platform, Google App Engine, Cloud Infrastructure, Cloud Applications, Hybrid Cloud Computing, Cloud Computing, Cloud Computing Architecture, Data Migration, Multi-Cloud, Digital Transformation, Microservices, Virtual Machines, Leadership and Management, Finance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Social Media Content, Content Strategy, Social Media, Video Production, Content Creation, Workflow Management, Drive Engagement, Ideation, Target Audience
Mixed · Course · 1 - 4 Weeks