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: Adobe InDesign, Color Theory, Typography, Adobe Creative Cloud, Graphic and Visual Design, Design, Digital Design, Design Software, Editing, File Management
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: File Systems, Operating Systems, Data Integrity, Debugging, Systems Design, Distributed Computing, Data Storage, C (Programming Language), System Programming, Computer Systems, Command-Line Interface, Data Security, Computer Hardware, Scalability, Version Control
Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Chemical Engineering, Energy and Utilities, Chemical and Biomedical Engineering, Engineering, Process Engineering, Thermal Management, Environmental Engineering, Sustainable Engineering, Engineering Calculations, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Music, Musical Composition, World Music, Music Theory, Classical Music, Education Software and Technology, Instrumental Music, Formal Learning, Creativity, Innovation, Multimedia, Electronic Media
Beginner · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Critical Thinking, Independent Thinking, Decision Making, Strategic Decision-Making, Systems Thinking, Complex Problem Solving, Creative Thinking, Analysis, Ethical Standards And Conduct, Research
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Data Literacy, Human Factors, Color Theory, Design Elements And Principles, Graphing
Build toward a degree
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Economics, Supply And Demand, Market Dynamics, Business Economics, Socioeconomics, Market Data, Tax, Public Policies, Policy Analysis, Decision Making
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Model Based Systems Engineering, Test Engineering, Systems Thinking, Product Lifecycle Management, Engineering Management, Risk Management Framework, Engineering Design Process, System Requirements, Verification And Validation, Requirements Analysis
Build toward a degree
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Economics, Supply And Demand, Economic Development, Financial Policy, Market Dynamics, Business Economics, Business Metrics, Public Policies, Performance Metric, International Finance, Fiscal Management, Investments, Labor Relations, Financial Market, Financial Regulations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Key Performance Indicators (KPIs), Performance Measurement, Business Metrics, Continuous Improvement Process, Performance Analysis, Business Process Improvement, Performance Improvement, Business Analysis, Data-Driven Decision-Making, Business Priorities, Operational Efficiency, Business Reporting, Smart Goals
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Corporate Finance, Financial Management, Financial Modeling, Investment Management, Portfolio Management, Financial Analysis, Capital Markets, Risk Analysis, Risk Management
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: Environmental Science, Environment, Anthropology, Sustainable Development, Teaching, Liberal Arts, Storytelling, Community Development, Biology, Systems Thinking, Cultural Diversity, Physics
Mixed · Course · 1 - 3 Months