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: Feature Engineering, Data Visualization Software, Data Cleansing, Classification And Regression Tree (CART), Random Forest Algorithm, Decision Tree Learning, Scikit Learn (Machine Learning Library), Applied Machine Learning, Predictive Modeling, Data Manipulation, Data Preprocessing, Data Science, Machine Learning, Model Evaluation, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Centers, Network Security, Network Troubleshooting, Virtual Machines, Network Monitoring, Wide Area Networks, Virtualization, Wireless Networks, Firewall, Cloud Infrastructure, Hardening, Network Architecture, Virtual Private Networks (VPN), Network Infrastructure, TCP/IP, Cloud Computing, Security Information and Event Management (SIEM), Remote Access Systems, Network Protocols, Internet Of Things
Advanced · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Sustainable Business, Sustainable Development, Organizational Leadership, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Systems Thinking, Brand Marketing, Change Management, Strategic Leadership, Professional Development, Waste Minimization, Packaging and Labeling, Environment and Resource Management, Business Leadership, Regulatory Compliance, Engineering Management, Market Opportunities, Key Performance Indicators (KPIs), Emerging Technologies, Digital Marketing
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Macquarie University
Skills you'll gain: Cryptography, Encryption, Data Security, Cybersecurity, Network Security, Public Key Infrastructure, Data Encryption Standard, Security Engineering, Blockchain, Data Storage Technologies, Wireless Networks, Security Management, Virtual Private Networks (VPN), Intellectual Property, Authentications, Hardware Architecture, Emerging Technologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Self-Awareness, Personal Development, Human Development, Psychology, Emotional Intelligence, Cultural Diversity, Adaptability, Social Sciences, Sociology, Goal Setting
Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Leadership and Management, Decision Making, Ethical Standards And Conduct, Business Ethics, Emotional Intelligence, Business Leadership, Organizational Leadership, Empathy & Emotional Intelligence, Leadership, Leadership Development, Waterfall Methodology, Initiative and Leadership, Motivational Skills, Team Motivation, Project Management Life Cycle, Project Management, Self-Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, CI/CD, Continuous Integration, Continuous Delivery, Continuous Deployment, DevOps, Distributed Computing, Software Configuration Management, Containerization, Application Programming Interface (API), Security Requirements Analysis, Version Control, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Threat Modeling, Encryption, Identity and Access Management, Information Systems Security, Threat Detection, Firewall, Infrastructure Security, Security Controls, Security Strategy, Authorization (Computing), Authentications, Security Awareness, Risk Management Framework
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Algorithms, Computational Thinking, Applied Mathematics, Machine Learning Algorithms, Biology, Life Sciences, Artificial Intelligence, Computer Science, Programming Principles, Mathematical Modeling, Engineering Practices
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Technical Communication, Computational Thinking, Solution Design, Programming Principles, Software Design, Theoretical Computer Science, Data Structures, Problem Management, Mathematical Modeling, Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), Typography, Graphic and Visual Design, User Interface and User Experience (UI/UX) Design, Collaborative Software, AI Workflows, Animations, Style Guides, Color Theory, Layout Design, Video Editing, Prototyping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SPSS, Correlation Analysis, SPSS (Software), Logistic Regression, Regression Analysis, Predictive Modeling, Predictive Analytics, Descriptive Statistics, Statistical Methods, Statistical Modeling, Case Studies, Statistical Analysis, Data Import/Export, Data Manipulation, Analysis, Model Evaluation
Mixed · Course · 1 - 3 Months