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: Feature Engineering, Deep Learning, PyTorch (Machine Learning Library), Image Analysis, Natural Language Processing, Artificial Neural Networks, Artificial Intelligence, Computer Vision, Jupyter, Predictive Modeling, Machine Learning, Data Processing, Data Transformation
Mixed · Course · 1 - 3 Months

Case Western Reserve University
Skills you'll gain: Coaching, Negotiation, Emotional Intelligence, Empathy, Leadership Development, Initiative and Leadership, Compassion, Leadership, Organizational Change, Organizational Leadership, Organizational Development, Culture Transformation, Team Leadership, People Development, Employee Coaching, Influencing, Strategic Leadership, Leadership and Management, Business Leadership, Professional Development
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Application Lifecycle Management, CI/CD, Continuous Integration, Microsoft Power Platform, Continuous Delivery, Continuous Deployment, Software Development Life Cycle, Enterprise Application Management, Change Control, Application Deployment, Azure DevOps, Release Management, Microsoft Azure, Configuration Management, Multi-Tenant Cloud Environments, Command-Line Interface, Version Control, Data Import/Export, YAML, Data Science
Beginner · Course · 3 - 6 Months
IE Business School
Skills you'll gain: Brand Strategy, Branding, Brand Awareness, Logo Design, Brand Management, Target Audience, Target Market, Consumer Behaviour, Value Propositions, Marketing, Customer Insights, Marketing Psychology, Marketing Strategies, Advertising, Competitive Analysis, Typography, Storytelling, Color Theory
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Game Design, Object Oriented Programming (OOP), Video Game Development, C# (Programming Language), Computer Graphics, User Interface (UI), Debugging
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Software Configuration Management, Embedded Software, Embedded Systems, Git (Version Control System), Version Control, Build Tools, Software Development Tools, C (Programming Language), Development Environment, Program Development, Software Design, Hardware Architecture, Debugging, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Search Engine Optimization, Consumer Behaviour, Marketing, Web Analytics and SEO, Marketing Strategies, Digital Advertising, Keyword Research, Digital Marketing, Marketing Effectiveness, Advertising, Brand Strategy, Market Analysis, Goal Setting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cash Flows, Business Valuation, Financial Statement Analysis, Financial Analysis, Balance Sheet, Financial Modeling, Profit and Loss (P&L) Management, Business Metrics, Case Studies, Return On Investment, Financial Forecasting, Market Analysis, Market Dynamics
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Database Design, SQL, Database Management Systems, NoSQL, Database Development, Relational Databases, Data Warehousing, Database Theory, Database Systems, Database Administration, Databases, Database Architecture and Administration, Database Software, Database Management, Data Modeling, Query Languages, MongoDB, Big Data, Data Architecture, Database Application
Build toward a degree
Beginner · Specialization · 3 - 6 Months

GitLab
Skills you'll gain: Telecommuting, Virtual Teams, Team Management, Human Resources Management and Planning, Culture Transformation, Performance Metric, Leadership and Management, Organizational Change, Organizational Strategy, Business Transformation, Organizational Leadership, Team Building, Performance Management, Adaptability, Collaboration, Business Strategy, Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Database Design, Data Processing, Distributed Computing, Scalability, Data Pipelines, Extract, Transform, Load, Data Warehousing, Query Languages, Data Cleansing, Data Transformation, Data Management, Analytics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Manufacturing Operations, Production Management, Production Planning, Production Process, Operations Management, Production Schedule, Business Operations, Inventory Control, Quality Control, Scheduling, Inventory Management System, Operational Efficiency, Lean Manufacturing, Material Requirements Planning, Quality Management, Project Schedules, Project Management, Capacity Planning, Statistical Process Controls, Process Analysis
Mixed · Course · 1 - 3 Months