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.
Duke University
Skills you'll gain: Predictive Modeling, Microsoft Excel, Classification Algorithms, Business Analytics, Logistic Regression, Data Analysis, Model Evaluation, Business Risk Management
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Human Capital, People Management, Leadership and Management, Leadership Studies, Decision Making, Organizational Structure, Organizational Effectiveness, Organizational Change, Employee Performance Management, Performance Management, Team Motivation, Compensation Management, Change Management, Job Analysis, Recruitment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Dashboard, Business Analytics, Business Intelligence, Extract, Transform, Load, Performance Analysis, Data Transformation, SQL, Automation, Data Management, Version Control
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: electromagnetics, Wireless Networks, Electronic Components, Performance Tuning, Process Optimization, Design, Analysis, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks
University of Minnesota
Skills you'll gain: User Interface (UI) Design, Usability, Human Computer Interaction, User Experience Design, Design, Design Thinking, UI/UX Research, Design Strategies, Design Research, User Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft PowerPoint, Data Visualization, Sales Presentations, Public Speaking, Layout Design
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Stakeholder Engagement, Strategic Leadership, Nursing Management, Strategic Decision-Making, Leadership, Accountability, Decision Making, Communication Strategies, Strategic Thinking, Complex Problem Solving, Collaboration, Patient Safety, Critical Thinking, Goal Setting, Resource Allocation
Intermediate · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Instrumental Music, Music Performance
Mixed · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Blogs, Pay Per Click Advertising, Search Engine Optimization, Social Media Marketing, Product Promotion, Web Analytics and SEO, Keyword Research, Content Marketing, Online Advertising, Marketing, Lead Generation, Email Marketing, WordPress, Copywriting, Target Audience
Mixed · Course · 1 - 3 Months

American Museum of Natural History
Skills you'll gain: Environment, Systems Thinking, Environmental Science, Natural Resource Management, Environmental Resource Management, Biology, Sustainable Development, Environmental Engineering and Restoration, Case Studies, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Version Control, GitHub, Debugging, Git (Version Control System), Unit Testing, Data Structures, Data Manipulation, Python Programming, Software Testing, Scripting, Computer Programming, Web Development, Algorithms, Integrated Development Environments, Object Oriented Programming (OOP), Jupyter
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Azure DevOps, Load Balancing, Continuous Integration, Role-Based Access Control (RBAC), Scalability, Object Oriented Programming (OOP), Authentications, ASP.NET, Debugging, SQL, Microsoft Copilot, .NET Framework, Relational Databases, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months