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.

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 Minnesota
Skills you'll gain: Human Resource Strategy, Human Resources, Human Capital, Compensation Management, Resource Management, People Management, Employee Performance Management, Industrial and Organizational Psychology, Labor Law, Employee Engagement
Mixed · Course · 1 - 4 Weeks

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 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

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, System Testing, Test Case, Software Development Tools, Testability, White-Box Testing, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing
Intermediate · Specialization · 3 - 6 Months

University of Arizona
Skills you'll gain: Physical Science, Physics, Engineering, Scientific, and Technical Instruments, Ancient History, Chemistry, electromagnetics, Biology, Global Positioning Systems, Scientific Methods, Scientific Visualization, Research, Simulations
Beginner · Course · 1 - 3 Months

Niel Asher Education
Skills you'll gain: Sports Medicine, Patient Evaluation, Rehabilitation, Athletic Training, Treatment Planning, Manual Therapy, Patient Education And Counseling, Physical Therapy, Pain Management, Exercise Science, Patient Treatment, Kinesiology, Injury Prevention, Anatomy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Native, Mobile Development, React Redux, React.js, Ajax, User Interface and User Experience (UI/UX) Design, Javascript, JavaScript Frameworks, Front-End Web Development, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, User Story, Android Development, UI Components, Cross Platform Development, JSON, Flutter (Software)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Architecture, Routing Protocols
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Blogs, Competitive Analysis, Quality Assessment, Relationship Building, Content Strategy, Content Creation
Mixed · Course · 1 - 3 Months
Skills you'll gain: electromagnetics, Wireless Networks, Electronic Components, Performance Tuning, Process Optimization, Design, Analysis, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks