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.

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

University of Colorado Boulder
Skills you'll gain: Typography, Graphic and Visual Design, Design, Graphic Design, Graphic and Visual Design Software, Design Software, Design Elements And Principles, Color Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Integration, Databases, Data Warehousing, Data Cleansing, Data Import/Export, Data Migration, Data Manipulation, Software Installation, Data Transformation, Software Versioning, Version Control
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

Skills you'll gain: Employee Performance Management, Performance Management, Human Resource Strategy, Human Capital, Human Resources, Workforce Development, Talent Management, Organizational Strategy, Employee Retention, Case Studies, Competitive Analysis, Organizational Effectiveness, Business Strategies, Analysis
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Infographics, Graphic Design, Graphic and Visual Design, Graphic and Visual Design Software, Design, Visual Design, Graphics Software, Typography, Design Software, Design Reviews, Adobe Creative Cloud, Adobe Photoshop, Design Elements And Principles, Peer Review, Color Theory, Creativity
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, Test Case, Testability, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing, Test Planning, Acceptance Testing, Software Quality Assurance
Intermediate · Specialization · 3 - 6 Months