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: Musical Composition, Music, Music Theory, Music Performance
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Design Elements And Principles, Graphic Design, Design, Storytelling, Layout Design, Typography, Adobe InDesign, Design Research, Information Architecture, Color Theory, Adobe Photoshop
Beginner · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Physical Science, Physics, Engineering, Scientific, and Technical Instruments, Ancient History, Chemistry, electromagnetics, Biology, Global Positioning Systems, Scientific Methods, Scientific Visualization, Research, Simulations
Beginner · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Software Design Patterns, Object Oriented Programming (OOP), C (Programming Language), Debugging, Algorithms, Graph Theory, Artificial Intelligence, Data Structures, Game Design
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: User Story, Agile Software Development, Software Design Patterns, Design Thinking, Software Development Methodologies, Software Design, Agile Methodology, Agile Project Management, Process Mapping, Software Engineering, Kanban Principles, Software Development Life Cycle, Software Quality Assurance, Program Development, Application Security, Scrum (Software Development), Object Oriented Design, Software Architecture, User Experience Design, Software Quality (SQA/SQC)
Intermediate · Specialization · 3 - 6 Months

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

University of Virginia
Skills you'll gain: Business Strategy, Strategic Thinking, Competitive Analysis, Organizational Strategy, Business Planning, Strategic Decision-Making, Corporate Strategy, Market Analysis, Analysis, Value Propositions
Beginner · Course · 1 - 4 Weeks
Stanford University
Skills you'll gain: Algorithms, Bioinformatics, Graph Theory, Computational Thinking, Data Structures, Theoretical Computer Science
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Combinatorics, Theoretical Computer Science, Algorithms, Graph Theory, Computational Thinking, Operations Research, Applied Mathematics, Python Programming, Mathematical Modeling
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Event Marketing, Marketing Design, Canva (Software), Marketing Materials, A/B Testing, Promotional Materials, Event Management, Logo Design, Email Marketing, Cross-Channel Marketing, Social Media Campaigns, Branding, Drive Engagement, Experience Design, Graphic and Visual Design, Typography, Design Elements And Principles, Color Theory
Beginner · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Text Mining, Portfolio Risk, Asset Management, Network Analysis, Data Visualization Software, Investments, Machine Learning Methods, Return On Investment, Unstructured Data, Predictive Modeling, Web Scraping, Machine Learning, Social Network Analysis, Financial Statements, Applied Machine Learning, Financial Market, Financial Modeling, Risk Management
Beginner · Specialization · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Photo Editing, Graphic and Visual Design, Layout Design, Design Research, Visual Design, Adobe InDesign, Design, Design Elements And Principles, Storytelling, Digital Publishing, Aesthetics, Color Theory, Creativity, Peer Review
Beginner · Course · 1 - 4 Weeks