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.

California Institute of the Arts
Skills you'll gain: Photo Editing, Graphic and Visual Design, Layout Design, Design Research, Visual Design, Adobe InDesign, Design, Design Elements And Principles, Storytelling, Digital Publishing, Aesthetics, Color Theory, Creativity, Peer Review
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Supply And Demand, Statistical Inference, Business Analytics, Descriptive Statistics, Sampling (Statistics), Market Dynamics, Statistical Hypothesis Testing, Financial Systems, Bank Regulations, Financial Policy, Banking, International Finance, Data-Driven Decision-Making, Data Analysis, Data Presentation, Economics, Statistical Analysis, Business Economics, Peer Review, Analytics
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Object Oriented Design, Unity Engine, Debugging, Object Oriented Programming (OOP), Game Design, Video Game Development, Software Design Patterns, Data Structures, C# (Programming Language), Prototyping, Programming Principles, Graph Theory, Computer Programming, Data Management, Event-Driven Programming, Software Architecture, Algorithms, File I/O, Data Storage, Application Development
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Docs, Gmail, Google Sheets, Google Workspace, Presentations, Calendar Management, Spreadsheet Software, File Management, Excel Formulas, Email Security, Data Visualization, Productivity Software, Collaborative Software, Document Management, Data Validation, Setting Appointments, Meeting Facilitation, Sales Presentations, Data Analysis Expressions (DAX), Version Control
Beginner · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), File I/O, Data Structures, Object Oriented Programming (OOP), Software Design Patterns, Debugging, Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Integrated Development Environments, Graph Theory, Software Testing, Artificial Intelligence, Integration Testing, Software Design, System Design and Implementation, Game Design
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Architecture, Computer Networking, Network Infrastructure, Network Performance Management, Wireless Networks, Graph Theory, Telecommunications, Software-Defined Networking, Algorithms, System Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Music Theory, Musical Composition, Music, Music Performance, File Management, Instrumental Music, Storytelling, Performing Arts, Media Production, Automation, Writing, Editing, Technical Support, Creativity
Beginner · Specialization · 3 - 6 Months

Epic Games
Skills you'll gain: Unreal Engine, Game Design, Video Game Development, Animation and Game Design, Ideation, 3D Modeling, Visualization (Computer Graphics), Software Design Documents, 3D Assets, User Experience Design, Computer Graphics, Usability, User Interface (UI), User Experience, User Interface (UI) Design, Interactive Design, Virtual Environment, Version Control, Conceptual Design, Prototyping
Beginner · Professional Certificate · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Goal Setting, Professional Networking, Business Management, Staff Management, Leadership and Management, People Management, Planning, Customer Service, Business Leadership, Organizational Leadership, Organizational Strategy, Leadership, Change Management, Decision Making
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Mechanical Engineering, Thermal Management, Engineering, Energy and Utilities, Physics, Engineering Analysis, Systems Of Measurement, Physical Science, Process Analysis, Environmental Issue
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Computing Architecture, Cloud Services, Cloud Deployment, Cloud Security, Cloud Infrastructure, Cloud Platforms, Cloud Computing, Cloud Storage, Infrastructure As A Service (IaaS), Emerging Technologies, Hybrid Cloud Computing, Virtual Machines, Serverless Computing, Microservices, DevOps
Beginner · Course · 1 - 3 Months

Skills you'll gain: Musical Composition, Music, Music Theory, Music Performance
Intermediate · Course · 1 - 3 Months