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.
Codio
Skills you'll gain: Matplotlib, Version Control, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Object-Relational Mapping, Natural Language Processing, Data Visualization Software, Unit Testing, Data Visualization, Jupyter, Development Environment, LLM Application, Virtual Environment, Python Programming
Intermediate · Specialization · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Public Policies, Policy Development, Policy Analysis, Political Sciences, Economics, Policy, and Social Studies, Advocacy, Environmental Policy, Behavioral Economics, Public Administration, Program Evaluation, Ethical Standards And Conduct, Governance, Systems Thinking
Build toward a degree
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Videography, Video Production, Photo/Video Production and Technology, Photography, Storyboarding, Storytelling, Media Production, Post-Production, Multimedia, Creativity, Content Creation, Image Quality, Color Theory, Aesthetics
Beginner · Specialization · 3 - 6 Months
University of Colorado Boulder
Skills you'll gain: Control Systems, Simulations, Mechanics, Angular, Engineering Analysis, Torque (Physics), Mathematical Modeling, Linear Algebra, Differential Equations, Calculus
Advanced · Course · 1 - 3 Months
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Competitive Analysis, Game Theory, Business Strategy, Market Dynamics, Go To Market Strategy, Strategic Partnership, Strategic Decision-Making, Market Analysis, Consumer Behaviour, Product Development, Innovation
Mixed · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Crisis Management, Incident Response, ChatGPT, Computer Security Incident Management, Generative AI, Cross-Functional Collaboration, Incident Management, Prompt Engineering, Threat Modeling, Cybersecurity, Team Performance Management, Scenario Testing, Hardening, Complex Problem Solving, Discussion Facilitation, Artificial Intelligence, Performance Analysis, Coordination
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, C++ (Programming Language), Network Routing, Data Structures, Network Model, Object Oriented Programming (OOP), Computational Thinking, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Software Quality Assurance, Software Development Life Cycle, Quality Assurance, Software Documentation, Functional Testing, Software Testing, Acceptance Testing, User Acceptance Testing (UAT), Test Case, Maintainability, Verification And Validation, Unit Testing, Software Design, System Testing, Integration Testing, Waterfall Methodology, Agile Methodology, Regression Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Code Review, Software Configuration Management, Software Development Tools, Development Environment, Secure Coding, File Management, Technical Documentation, Software Documentation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Adobe Photoshop, Photo Editing, Graphical Tools, Graphic Design, Color Theory, Typography, Design Elements And Principles
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Color Theory, Sales, Marketing Collateral, Design, Sales Strategy, Marketing Materials, Digital Design, Graphic and Visual Design Software, Product Design, Asset Protection, Marketing
Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Human Capital, Human Resources, Human Resources Management and Planning, Human Resource Strategy, HR Tech, Human Resource Policies, People Analytics, Employee Engagement, Workforce Development, Industrial and Organizational Psychology, Compensation Management, Employee Retention, Safety Culture, Legal Risk, Labor Law, Environment Health And Safety, Organizational Leadership, Communication Strategies
Intermediate · Course · 1 - 4 Weeks