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.

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Human Computer Interaction, Web Content Accessibility Guidelines, Human Factors, Usability, Interaction Design, Prototyping, User Interface and User Experience (UI/UX) Design, User Experience Design, User Centered Design, User Interface (UI) Design, Responsive Web Design, Design Thinking, Usability Testing, Augmented and Virtual Reality (AR/VR), User Research, Wireframing, Information Architecture
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Model Evaluation, Supervised Learning, Statistical Machine Learning, Machine Learning Algorithms, Unsupervised Learning, PyTorch (Machine Learning Library), Applied Machine Learning, Statistical Methods, Statistical Modeling, Machine Learning, Machine Learning Software, Statistical Analysis, Artificial Intelligence and Machine Learning (AI/ML), Regression Analysis, Classification Algorithms, Algorithms, Predictive Modeling, Dimensionality Reduction, Complex Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model View Controller, GitHub, Version Control, .NET Framework, Git (Version Control System), ASP.NET, Application Frameworks, Software Configuration Management, Development Environment, Microsoft Visual Studio, Bootstrap (Front-End Framework), Microsoft Development Tools, HTML and CSS
Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Modeling, Entrepreneurial Finance, Business Valuation, Private Equity, Business Modeling, Entrepreneurship, Investment Banking, Financial Analysis, Finance, Financial Forecasting, Return On Investment, Financial Management, Balance Sheet, Financial Statements, Income Statement, Cash Flows, Excel Formulas, Microsoft Excel
Mixed · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Network Security, Virtual Private Networks (VPN), Microsoft Azure, Firewall, Virtual Networking, Application Security, Cloud Security, Identity and Access Management, Infrastructure Security, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis, Statistical Analysis, Probability Distribution, R Programming, Exploratory Data Analysis, Statistical Modeling, Machine Learning, Statistical Inference, Classification Algorithms, Data Manipulation, Supervised Learning, Random Forest Algorithm, Regression Analysis, Model Evaluation, Decision Tree Learning
Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Dashboard, Data Visualization, Data Presentation, Interactive Data Visualization, Infographics, Data Literacy, Tableau Software, Data Visualization Software, Presentations, Statistical Visualization, Storytelling, Design Elements And Principles, Data Analysis, Key Performance Indicators (KPIs), Health Informatics, Color Theory, Stakeholder Communications
Mixed · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Vibrations, Matlab, Engineering Analysis, Engineering Calculations, Mechanical Engineering, Applied Mathematics, Mechanics, Differential Equations, Mathematical Modeling, Control Systems
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Social Media, Social Media Strategy, Social Media Marketing, Social Media Management, Professional Networking, LinkedIn, digital literacy, Ethical Standards And Conduct, Facebook, Instagram, Digital Media Strategy, Media and Communications, Social Network Analysis, Professional Development, Safety and Security, Digital Marketing, Cybersecurity, Content Creation, Digital Communications, Communication
Beginner · Course · 1 - 3 Months

Scrum Alliance
Skills you'll gain: Teaching, Culture Transformation, Discussion Facilitation, Organizational Change, Meeting Facilitation, Business Transformation, Employee Coaching, Coaching, Agile Product Development, Organizational Structure, Agile Project Management, Agile Software Development, Mentorship, Team Leadership, Agile Methodology, Team Performance Management, Leadership and Management, Organizational Strategy, Team Management, Strategic Leadership
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Test Automation, JUnit, Object Oriented Programming (OOP), Integration Testing, Browser Compatibility
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Game Design, Video Game Development, Unreal Engine, User Interface (UI), Interactive Design, Animation and Game Design, User Interface and User Experience (UI/UX) Design, Data Persistence, Virtual Environment, Computer Graphics, 3D Assets, Visualization (Computer Graphics), Artificial Intelligence, No-Code Development, Data Structures, Debugging, Performance Tuning, Scripting, System Design and Implementation
Beginner · Specialization · 3 - 6 Months