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.

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Computer Security Incident Management, Cybersecurity, Applied Machine Learning, Network Security, Machine Learning Algorithms, Machine Learning, Machine Learning Software, Unsupervised Learning, Supervised Learning, Artificial Neural Networks
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Active Directory, Software Installation, System Configuration, Microsoft Servers, Microsoft Intune (Mobile Device Management Software), Hyper-V, Enterprise Architecture, System Implementation, Configuration Management, IT Infrastructure, Mac OS, Virtual Machines, Microsoft Azure, System Requirements, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Cyber Security Assessment, Incident Response, Firewall, Exploitation techniques, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Malware Protection, Virtualization and Virtual Machines, Authentications, Linux Commands
Beginner · Course · 1 - 3 Months
Skills you'll gain: Collaboration, Collaborative Software, Adobe InDesign, Version Control, Style Guides, User Feedback, Adobe Creative Cloud, Peer Review, Document Management, File Management, Branding
Intermediate · Course · 1 - 4 Weeks
Google Cloud
Skills you'll gain: Presentations, Google Workspace, Collaborative Software, Productivity Software, Sales Presentations, Business Software, Version Control, Multimedia, Data Visualization, Organizational Skills, Document Management, Data Sharing
Beginner · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Computer Vision, NumPy, Matplotlib, Deep Learning, Pandas (Python Package), Image Analysis, Python Programming, Artificial Neural Networks, Data Manipulation
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Resource Utilization, Patient Flow, Lean Methodologies, Operational Efficiency, Health Care Administration, Operations Management, Health Care Procedure and Regulation, Process Improvement, Systems Thinking, Health Technology, Health Systems, Continuous Improvement Process, Coordination, Cross-Functional Collaboration, Communication Strategies, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Network Analysis, Tableau Software, Statistical Visualization, Network Model, Dashboard, Time Series Analysis and Forecasting, Matplotlib, Data Analysis, Seaborn, Graph Theory, Pandas (Python Package), Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Network Security, Virtual Private Networks (VPN), Microsoft Azure, Firewall, Network Administration, Application Security, Network Architecture, Infrastructure Security, Load Balancing, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux Servers, Cloud Infrastructure, Cloud Computing, Linux, Ubuntu, Operating System Administration, Infrastructure As A Service (IaaS), Scalability, Cloud Security, Servers, Web Servers, Apache, Firewall, PHP (Scripting Language)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Video Editing, Adobe Premiere, Editing, Post-Production, Video Production, Timelines, Animations, Storytelling
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Negotiation, Leadership, Organizational Leadership, Agile Project Management, Leadership and Management, Agile Methodology, Decision Making, Meeting Facilitation, Collaboration, Cross-Functional Team Leadership, Continuous Improvement Process, Cross-Functional Collaboration, Innovation, Adaptability, Change Management, Organizational Change, Goal Setting
Intermediate · Course · 1 - 3 Months