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.

Skills you'll gain: Brand Strategy, Presentations, Branding, Creative Design, Marketing Design, Target Audience, Visual Design, Typography, Adobe Creative Cloud, Storytelling, Adobe Illustrator, Diversity and Inclusion, Adobe Acrobat, Color Theory, Creative Thinking, Creative Problem-Solving, Digital Assets, Communication, Entrepreneurship, Digital Marketing
Beginner · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Image Analysis, Digital Communications, Computer Vision, Visualization (Computer Graphics), Medical Imaging, Electrical and Computer Engineering, Telecommunications, Spatial Analysis, Matlab, Mathematical Modeling, Color Theory, Applied Mathematics
Mixed · Course · 1 - 3 Months
University of California, Davis
Skills you'll gain: Keyword Research, Search Engine Optimization, Persona Development, Search Engine Marketing, Content Creation, Social Media Strategy, Web Analytics and SEO, Social Media, Content Strategy, Social Media Marketing, Competitive Analysis, Target Audience, Data Analysis, Digital Media Strategy, Analytics, Google Analytics, Forecasting, Content Development and Management, Content Performance Analysis, Content Marketing
Beginner · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Unity Engine, Video Game Development, Agentic systems, Generative AI Agents, Game Design, Artificial Intelligence and Machine Learning (AI/ML), Animation and Game Design, Artificial Intelligence, Generative AI, Game Theory, Machine Learning Algorithms, Design and Product, Design, Animations, Real Time Data
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Algorithms, Program Development, Debugging, Development Testing, Software Testing, Computational Thinking, Computer Programming, Programming Principles, Data Structures, Theoretical Computer Science, Bioinformatics
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Version Control, Data Science, R (Software), GitHub, Data Literacy, Data Analysis, R Programming, Statistical Programming, Exploratory Data Analysis, Software Installation
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Network Analysis, Social Network Analysis, Graph Theory, Data Analysis, Analysis, Pandas (Python Package), Predictive Analytics, Unsupervised Learning, Matplotlib, Python Programming, Data Import/Export, Algorithms
Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Machine Controls, Control Systems, Automation Engineering, Mathematical Modeling, Mathematical Software, Simulation and Simulation Software, Engineering Calculations, Engineering, Mechanics, Mechanical Engineering, Artificial Intelligence, Applied Mathematics, Engineering Analysis, Automation, Virtual Environment, Robotic Process Automation, Torque (Physics), Graph Theory, Matlab, Numerical Analysis
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Unit Testing, Growth Mindedness, Data Structures, Graph Theory, Event-Driven Programming, Social Network Analysis, Interactive Data Visualization, Java, Java Programming, Network Analysis, Object Oriented Programming (OOP), Technical Communication, User Interface (UI), Object Oriented Design, Computer Programming, Willingness To Learn, Adaptability, Performance Tuning, Algorithms, Problem Solving
Intermediate · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Social Network Analysis, Social Media Marketing, Social Media, Consumer Behaviour, Content Creation, Influencing, Advertising, Marketing, Marketing Psychology, Brand Strategy, Storytelling, Communication
Mixed · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Cooking, Food and Beverage, Nutrition and Diet, Meal Planning And Preparation, Biochemistry, Aesthetics, Color Theory, Chemistry, Physiology, Physics, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Development Life Cycle, Software Architecture, Software Design, Software Development Methodologies, Software Design Patterns, Development Environment, Unified Modeling Language, Software Engineering, Web Applications, Software Development Tools, Software Development, Application Deployment, Programming Principles, Front-End Web Development, Back-End Web Development, Python Programming
Beginner · Course · 1 - 3 Months