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: React Native, Prompt Engineering, Software Development Life Cycle, Flutter (Software), Swift Programming, Mobile Development, Software Architecture, Apple Xcode, Android Studio, User Centered Design, Android Development, React Redux, Apple iOS, Responsive Web Design, Git (Version Control System), GitHub, Android (Operating System), Cascading Style Sheets (CSS), React.js, AI Personalization
Beginner · Professional Certificate · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: People Analytics, Descriptive Analytics, Financial Statement Analysis, Business Analytics, Data-Driven Decision-Making, Customer Analysis, Human Capital, Human Resource Strategy, Operations Research, Financial Analysis, Marketing Analytics, Analytics, Operational Efficiency, Predictive Analytics, Customer Insights, Financial Data, Operational Analysis, Peer Review, Human Resources, Financial Accounting
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Dashboard, Data Storytelling, Tableau Software, Data Presentation, Data Visualization, Advanced Analytics, Stakeholder Analysis, Interactive Data Visualization, Data Visualization Software, Data Literacy, Design Elements And Principles, Exploratory Data Analysis, Proposal Development, Data Ethics, Data Analysis, Visualization (Computer Graphics), Data Mapping, Pivot Tables And Charts, Tree Maps, Storyboarding
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: MySQL, Database Management, Database Administration, Data Warehousing, Linux Commands, Data Integrity, Unit Testing, Algorithms, Software Versioning, Command-Line Interface, Software Visualization, Linux, Pseudocode, Query Languages, Collaborative Software, Django (Web Framework), Database Architecture and Administration, Programming Principles, Computational Thinking, Test Driven Development (TDD)
Beginner · Professional Certificate · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), File I/O, Data Structures, Object Oriented Programming (OOP), Programming Principles, Software Design Patterns, Debugging, Computer Programming, Unit Testing, Algorithms, C (Programming Language), Integrated Development Environments, Graph Theory, Software Testing, Artificial Intelligence, Integration Testing, Software Design, System Design and Implementation, Software Documentation
Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Patterns, Verification And Validation, Ideation, Succession Planning, LLM Application, Productivity, OpenAI, Business Writing, Responsible AI, Generative AI, AI Enablement, Leadership, Meeting Facilitation, Organizational Leadership, Leadership and Management, Creativity, Problem Solving, Risk Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Adobe Express, Responsible AI, Logo Design, Digital Design, Layout Design, Generative AI, Social Media, Content Creation, Graphic Design, Social Media Management, Creative Design, Adobe Photoshop, Visual Design, Content Marketing, Content Strategy, Infographics, Typography, Color Theory, Storytelling, Branding
Beginner · Professional Certificate · 3 - 6 Months

AI CERTs
Skills you'll gain: Generative AI Agents, Agentic systems, Game Design, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Video Game Development, Animation and Game Design, Generative AI, Game Theory, Design, Design and Product
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft PowerPoint, Animations, Motion Graphics, 3D Assets, Graphic and Visual Design, Typography, Design Elements And Principles, Design, Color Theory
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI, Systems Analysis, AI Workflows, Business Analysis, Systems Architecture, Solution Architecture, Business Process Automation, Stakeholder Analysis, Real Time Data, Software Architecture, Consulting, AI Personalization, Systems Thinking, Responsible AI, Machine Learning, Project Documentation, Stakeholder Communications, Technical Consulting
Beginner · Specialization · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Strategic Decision-Making, Business Valuation, Private Equity, Mergers & Acquisitions, Game Theory, Strategic Thinking, Financial Analysis, Business Strategy, Return On Investment, Investment Banking, Cash Flows, Corporate Finance, Competitive Analysis
Build toward a degree
Advanced · Course · 1 - 3 Months

Meta
Skills you'll gain: React Native, iOS Development, Core Data (Software), Restful API, Version Control, Apple iOS, User Research, Usability Testing, Apple Xcode, Data Structures, Swift Programming, Jest (JavaScript Testing Framework), User Interface (UI), Unix Commands, Git (Version Control System), Persona (User Experience), GitHub, Interaction Design, Mobile Development, Javascript
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months