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.

Northwestern University
Skills you'll gain: Control Systems, Robotics, Simulation and Simulation Software, Graph Theory, Mathematical Software, Mathematical Modeling, Artificial Intelligence, Algorithms, Virtual Environment, Differential Equations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Computing, Java, Middleware, NoSQL, Event-Driven Programming, Databases, Software Architecture, Servers, Web Services, Microservices, Scalability, Transaction Processing
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Generative AI, Financial Forecasting, Predictive Modeling, Financial Data, Market Data, Predictive Analytics, Financial Analysis, Portfolio Management, Advanced Analytics, Risk Management, Investment Management, Risk Analysis, Spreadsheet Software, Financial Reporting, Interactive Data Visualization, Analysis, Power BI, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux Commands, Unix Shell, Scripting, Linux, Unix Commands, Command-Line Interface, User Interface (UI), IT Automation, Interactive Design, File I/O, Programming Principles, Debugging, File Management
Mixed · 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: 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: Unity Engine, Game Design, Animation and Game Design, Video Game Development, User Interface (UI), UI Components, Debugging, Scripting, C# (Programming Language)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Unix Commands, Unix, Shell Script, Bash (Scripting Language), Command-Line Interface, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Linux Commands, File I/O, IT Automation, Linux, User Accounts, File Systems, System Monitoring, Operating Systems, File Management, Performance Tuning
Beginner · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon S3, Cloud Storage, Data Management, Data Storage Technologies, Data Storage, Network Troubleshooting, Disaster Recovery
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Encryption, Secure Coding, File Management, Cryptography, Python Programming, Programming Principles, Debugging, Scripting, Software Testing, Data Structures
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Meeting Facilitation, Agile Project Management, Employee Coaching, Agile Methodology, Team Building, Conflict Management, Leadership and Management, Leadership, Team Leadership, Organizational Leadership, Kanban Principles, Decision Making, Active Listening
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Business Planning, Leadership and Management, Strategic Leadership, Employee Engagement, Business Management, Business Strategy, Goal Setting, Leadership, Accountability, Performance Measurement, Organizational Leadership, People Management
Beginner · Course · 1 - 4 Weeks