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.

Michigan State University
Skills you'll gain: Color Theory, Adobe Illustrator, Digital Design, Creativity, Image Quality, Design
Beginner · Course · 1 - 3 Months

Epic Games
Skills you'll gain: Game Design, Unreal Engine, User Experience Design, Usability, User Interface (UI) Design, Video Game Development, Web Content Accessibility Guidelines, Prototyping, Animations
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Typography, Web Design and Development, Front-End Web Development, User Interface (UI), Web Development
Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Six Sigma Methodology, Lean Six Sigma, Statistical Hypothesis Testing, Statistical Analysis, Analysis, Statistical Inference, Process Analysis, Correlation Analysis, Data Analysis, Probability & Statistics, Risk Analysis, Regression Analysis, Sample Size Determination, Sampling (Statistics)
Mixed · Course · 1 - 3 Months

Alfaisal University | KLD
Skills you'll gain: Business Management, Leadership and Management, Business Administration, People Management, Performance Management, Organizational Structure, Organizational Effectiveness, Goal Setting, Administrative Support, Leadership, Human Resources
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Exploratory Data Analysis, Ggplot2, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Statistical Methods, Data Wrangling, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Data Manipulation, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Governance, Business Leadership, Business Management, Leadership and Management, Strategic Leadership, Resource Management, Business, Organizational Development, Succession Planning, Corporate Strategy, Business Continuity, Business Strategies, Business Valuation, Leadership, Entrepreneurship, Innovation, Systems Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Growth Mindedness, Positivity, Self-Awareness, Personal Development, Goal Setting, Resilience, Mindfulness, Empowerment, Persistence, Self-Motivation, Action Oriented, Courage, Visionary, Creative Thinking, Creativity, Digital Design, Overcoming Obstacles, Graphical Tools, Emotional Intelligence, Color Theory
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Problem Solving, Computational Thinking, Probability, Mathematical Modeling, Behavioral Economics, Algorithms, Analytical Skills, Theoretical Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Human Learning, Learning Strategies, Quick Learning, Learning Theory, Lifelong Learning, Mental Concentration, Willingness To Learn, Cognitive flexibility, Productivity, Scientific Methods
Intermediate · Course · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Applied Mathematics, Operations Research, Mathematical Modeling, Enterprise Modeling, Network Model, Statistical Modeling, Combinatorics, Functional Design, Mathematical Software, Computational Thinking, Graph Theory, Algorithms, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Systems Development Life Cycle, Systems Architecture, Systems Thinking, Software Design Patterns, Stakeholder Communications, Systems Analysis, Data Flow Diagrams (DFDs), Application Design
Beginner · Course · 1 - 3 Months