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 Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, NoSQL, Apache Cassandra, Cloud Computing, Systems Design, Data Storage Technologies, Apache Hadoop, Database Theory, Algorithms, Theoretical Computer Science, Scalability, C++ (Programming Language), Network Protocols
Beginner · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Computer Vision, Image Analysis, Control Systems, Automation, Deep Learning, Simulation and Simulation Software, Software Architecture, Safety Assurance, Artificial Neural Networks, Global Positioning Systems, Hardware Architecture, Systems Architecture, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Estimation, Algorithms, Machine Learning Methods, Simulations, Scenario Testing, Data Structures
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Descriptive Statistics, Feature Engineering, Probability & Statistics, Supervised Learning, Statistical Hypothesis Testing, Exploratory Data Analysis, Box Plots, Regression Analysis, Statistics, Predictive Modeling, Time Series Analysis and Forecasting, Data Science, Histogram, Data Visualization, Statistical Analysis, Forecasting, Database Application, Integrated Development Environments, Computer Networking, Python Programming
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Color Theory, World Music, Disabilities, Art History, Music History, Social Justice, Performing Arts, Community Organizing, Liberal Arts, Interactive Learning, Peer Review, Musical Composition, Cultural Diversity, Aesthetics, Music, Music Theory, Sociology, Creativity, Critical Thinking, Communication
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Search Engine Optimization, Consumer Behaviour, Case Studies, Marketing, Web Analytics and SEO, Marketing Strategies, Process Improvement and Optimization, Digital Advertising, Content Strategy, Digital Marketing, Target Audience, Marketing Effectiveness, Competitive Analysis, Keyword Research, Market Opportunities, Business Strategy, Strategic Thinking, Advertising, Brand Strategy, Market Analysis
Beginner · Specialization · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Statistical Inference, Statistical Methods, Pandas (Python Package), Probability & Statistics, Risk Analysis, Financial Trading, Financial Data, Data Manipulation, Statistical Analysis, Regression Analysis, Financial Analysis, Jupyter, Probability Distribution, Python Programming, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Learning Strategies, Learning Theory, Human Learning, Quick Learning, Self-Motivation, Lifelong Learning, Literacy, Mental Concentration, Willingness To Learn, Cognitive flexibility, Critical Thinking, Productivity, Personal Development, Self-Awareness, Growth Mindedness, Goal Setting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, UI Components, Apple iOS, Mobile Development, Apple Xcode, Responsive Web Design, User Interface (UI) Design, User Interface (UI), Algorithms, Animations, Software Design Patterns, Programming Principles, Color Theory, Debugging
Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: International Finance, Derivatives, Financial Systems, Balance Sheet, Financial Market, Payment Systems, Banking, Capital Markets, Economics, Market Liquidity, Financial Regulation, Finance, Market Dynamics
Mixed · Course · 3 - 6 Months

Stanford University
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Social Network Analysis, Network Analysis, Theoretical Computer Science, Network Routing, Computational Logic
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Social Media Marketing, Social Media Strategy, Social Media Management, Social Media Campaigns, Content Creation, Digital Marketing, Digital Advertising, Customer Engagement, Brand Awareness, Marketing Analytics, Target Audience
Beginner · Course · 1 - 3 Months