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.

University of Colorado System
Skills you'll gain: Business Intelligence, Decision Support Systems, Data Visualization, Business Process Management, Data Warehousing, Performance Measurement, MicroStrategy, Business Analytics, Dashboard, Data Visualization Software, Key Performance Indicators (KPIs), Data-Driven Decision-Making, Business Reporting, Data Analysis, Six Sigma Methodology
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Community Outreach, Social Justice, Discussion Facilitation, Diversity Awareness, Overcoming Obstacles, Advocacy, Community Development, Interviewing Skills, Empowerment, Cultural Sensitivity, Action Oriented, Interpersonal Communications, Persistence, Sociology, Diversity Equity and Inclusion Initiatives, Self-Awareness, Intercultural Competence, Cultural Diversity, Storytelling, Planning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Musical Composition, Music, Music Theory, Electronic Media, Design Software, Peer Review, Creativity, Patch Management, System Requirements
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Basic Electrical Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Computational Logic, Application Specific Integrated Circuits, Theoretical Computer Science, Data Structures, Verification And Validation, Computer Architecture, Systems Design, Algorithms, Computer Engineering, Mathematical Software, Design Software, Computer Programming Tools, Debugging, Digital Design, Software Development Tools
Intermediate · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Critical Thinking, Organizational Leadership, Positivity, Self-Awareness, Stress Management, Leadership, Resilience, Influencing, Motivational Skills, Decision Making, Personal Development, Leadership Development, Industrial and Organizational Psychology, Leadership and Management, Emotional Intelligence, Business Leadership, Systems Thinking, Strategic Decision-Making, Research, Analysis
Advanced · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Process Improvement, Process Management, Global Marketing, Business Process, Business Process Management, Financial Statement Analysis, Financial Statements, Brand Management, Leadership and Management, Financial Analysis, Marketing, People Management, Team Leadership, Strategic Marketing, Organizational Change, Leadership, Inventory Accounting, Business Strategy, Financial Management, Data Analysis
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
Google Cloud
Skills you'll gain: Google Sheets, Google Workspace, Spreadsheet Software, Excel Formulas, Data Visualization, Version Control, Collaborative Software, Data Management, Data Analysis Software, Data Sharing, Data Import/Export
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Constructive Feedback, Employee Performance Management, Professional Development, Performance Management, Leadership Studies, Mentorship, Problem Solving, Leadership and Management, Empathy, Active Listening, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Database Systems, Computer Security Incident Management, Security Management, Ubuntu, Routing Protocols, Database Design, Application Development, Network Architecture, Linux Commands, TCP/IP, Operating Systems, Database Theory, Web Design and Development, Cascading Style Sheets (CSS), Web Development, Data Structures, Python Programming, Data Analysis, Software Development
Beginner · Professional Certificate · 3 - 6 Months

Peking University
Skills you'll gain: Data Structures, Computational Thinking, Graph Theory, Theoretical Computer Science, Programming Principles, Algorithms, Computer Programming, Data Storage, C (Programming Language), C++ (Programming Language)
Mixed · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Computer Vision, Image Analysis, Computer Graphics, Color Theory, Digital Signal Processing, Applied Mathematics, Artificial Intelligence, Computer Programming, Matlab, Augmented Reality, Algorithms, Calculus, Probability & Statistics
Intermediate · Course · 1 - 4 Weeks