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: Data Visualization, Interactive Data Visualization, Data Presentation, Infographics, Data Visualization Software, Data Storytelling, Plotly, Matplotlib, Journalism, Graphing, Data Literacy, Color Theory, Data Manipulation, Design Elements And Principles, Data Analysis
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Sustainable Development, Water Sustainability, Nutrition and Diet, Food and Beverage, Public Health, Sustainability Standards, Health Disparities, Environmental Science, Systems Thinking, Climate Change Mitigation
Beginner · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Angular, Server Side, Node.JS, Responsive Web Design, LESS, Bootstrap (Front-End Framework), Mobile Development, Back-End Web Development, Version Control, Cross Platform Development, Restful API, HTML and CSS, Web Design and Development, React Redux, JavaScript Frameworks, Continuous Integration, TypeScript, iOS Development, Apple iOS, MongoDB
Beginner · Specialization · 3 - 6 Months

EDHEC Business School
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Mergers & Acquisitions, Capital Markets, Project Finance, Investment Banking, Financial Services, Corporate Finance, Loans, Asset Management, Sustainable Development, Derivatives
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Color Theory, User Interface and User Experience (UI/UX) Design, Logo Design, Typography, Interaction Design, Figma (Design Software), Adobe Illustrator, Wireframing, Marketing Materials, Marketing Design, Layout Design, Usability, Web Content Accessibility Guidelines, Graphic Design, User Centered Design, Photo Editing, Peer Review, Adobe Firefly, Game Design, Adobe Photoshop
Beginner · Professional Certificate · 3 - 6 Months

Rice University
Skills you'll gain: Environmental Monitoring, Water Quality, Hydrology, Environmental Engineering, Water Resources, Laboratory Testing, Environmental Science, Mathematical Modeling, Microbiology, Chemical Engineering, Chemistry
Advanced · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Growth Mindedness, Technical Communication, Adaptability, Algorithms, Overcoming Obstacles, Software Engineering, Verbal Communication Skills, Interpersonal Communications, Communication, Problem Solving, Self-Awareness, Collaboration, Complex Problem Solving, Data Structures
Intermediate · Course · 1 - 3 Months

EDHEC Business School
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Financial Modeling, Return On Investment, Asset Management, Financial Market, Estimation, Statistical Methods, Python Programming, Risk Analysis, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Big Data, Relational Databases, Database Systems, Dataflow, Databases, Data Science, Data Manipulation, Data Processing, NoSQL, Apache Spark, Distributed Computing, Apache Hadoop, SQL, Data Analysis, Query Languages, Cloud Computing, Scalability, Graph Theory, Python Programming, Algorithms
Mixed · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Engineering, Multimodal Prompts, Version Control, AI Workflows, Generative AI Agents, Git (Version Control System), AI Orchestration, Quality Assurance, Generative AI, Software Quality Assurance, Software Development, Software Documentation, Artificial Intelligence, Software Development Life Cycle, Software Architecture, Automation, Software Testing, Software Design, Software Development Methodologies
Beginner · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Marketing Analytics, Customer Analysis, Business Marketing, Business Analytics, Customer Insights, R Programming, Data-Driven Decision-Making, Data Analysis Software, Target Market, Statistical Analysis, Statistical Modeling, Predictive Modeling, Customer Relationship Management, Statistical Methods
Mixed · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Geometry, Algorithms, Computer Graphics, Data Structures, Graph Theory, Spatial Data Analysis, Computational Thinking, Geographic Information Systems, Theoretical Computer Science, Spatial Analysis
Intermediate · Course · 1 - 4 Weeks