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 Boulder
Skills you'll gain: Graph Theory, Model Evaluation, Arithmetic
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Typography, Design Elements And Principles, Graphic Design, Graphic and Visual Design Software, Design, Logo Design, Digital Design, Graphic and Visual Design, Color Theory, Photo Editing, Adobe InDesign, Image Quality, Style Guides, Branding, Art History, Layout Design, Design Research, Visual Design, Design Strategies, Adobe Illustrator
Beginner · Specialization · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Rmarkdown, Exploratory Data Analysis, Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Plot (Graphics), Statistical Programming, Statistical Visualization, Ggplot2, R (Software), Dimensionality Reduction, Data Visualization Software, Data Integration, Knitr, Data Sharing, GitHub, Machine Learning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Software Development Life Cycle, Linux Commands, Software Architecture, Bash (Scripting Language), Restful API, Shell Script, Git (Version Control System), GitHub, Flask (Web Framework), Software Design, Version Control, File Management, Application Deployment, Linux, Software Development Methodologies, Software Design Patterns, Data Import/Export, Programming Principles, Web Scraping, Python Programming
Beginner · Specialization · 3 - 6 Months

The Museum of Modern Art
Skills you'll gain: Art History, Aesthetics, Color Theory, World History, Liberal Arts
Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Exploratory Data Analysis, Model Evaluation, Regression Analysis, Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Machine Learning Algorithms, Plotly, Plot (Graphics), Interactive Data Visualization, Machine Learning, GitHub
Beginner · Specialization · 3 - 6 Months
Stanford University
Skills you'll gain: Organizational Structure, Social Network Analysis, Organizational Strategy, Decision Making, Organizational Change, Leadership Studies, Business, Culture, Sociology, Analysis, Resource Management, Case Studies, Coordination, Negotiation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Adobe Express, Typography, Logo Design, Responsible AI, Digital Design, Layout Design, Creative Design, Visual Design, Graphic and Visual Design Software, Graphic Design, Adobe Firefly, User Interface and User Experience (UI/UX) Design, Color Theory, Content Creation, Generative AI Agents
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Logo Design, Style Guides, Branding, Typography, Graphic and Visual Design, Brainstorming, Design Research, Layout Design, Adobe InDesign, Creativity, Adobe Photoshop, Color Theory, Design Elements And Principles
Intermediate · Course · 1 - 3 Months
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Mergers & Acquisitions, Customer Retention, Business Research, Business Strategy, Organizational Structure, Organizational Strategy, Peer Review, Game Theory, Strategic Thinking, Competitive Analysis, Strategic Partnership, Product Strategy, Report Writing, Business Consulting, Growth Strategies, Organizational Effectiveness, Strategic Decision-Making, Management Consulting, Organizational Change, Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Infrastructure, Identity and Access Management, Kubernetes, Google Cloud Platform, Prompt Engineering, Application Deployment, Cloud Storage, Containerization, Infrastructure As A Service (IaaS), Cloud Computing, CI/CD, Cloud-Native Computing, Terraform, Cloud Applications, Cloud Computing Architecture, Cloud Security, Cloud Management, Cloud Services, Load Balancing, Network Planning And Design
Intermediate · Professional Certificate · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Algorithms, C (Programming Language), Programming Principles, Computer Programming, Graph Theory, Data Structures
Intermediate · Course · 1 - 3 Months