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: CI/CD, Continuous Integration, Continuous Deployment, Application Deployment, GitHub, Software Development Tools, Version Control, Git (Version Control System), DevOps, Test Automation, Automation, Application Security, Software Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Application Deployment, Salesforce Development, Dashboard, Cloud Deployment, Customer Relationship Management, Change Control, Analytics, Continuous Deployment, Data Import/Export, Authentications, Data Migration, Configuration Management, Data Presentation, Data Access, Responsive Web Design, System Configuration, Workflow Management, Data Management, Business Logic
Beginner · Specialization · 1 - 3 Months

Skillshare
Skills you'll gain: Photography, Photo Editing, Post-Production, Creativity, Lifelong Learning, Photo/Video Production and Technology, Adobe Photoshop, Growth Mindedness, Creative Thinking, Storytelling, Aesthetics, Self-Awareness, Personal Development, Ethical Standards And Conduct, Persistence, Curiosity, Resilience, Overcoming Obstacles, Decision Making, Patience
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Supervised Learning, Machine Learning, Applied Machine Learning, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Learning Management Systems, Digital pedagogy, Artificial Intelligence, AI Enablement, Data Mining, Learning Theory, Mobile Development, Human Computer Interaction, Exploratory Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Video Editing, Animations, Post-Production, Motion Graphics, Video Production, Photo/Video Production and Technology, Cinematography, Image Quality, Color Theory
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Business, Sustainable Development, Systems Thinking, Corporate Strategy, Sustainability Reporting, Climate Change Mitigation, Business Ethics, Compliance Management, Business Risk Management, Environment and Resource Management, Climate Change Adaptation, Supply Chain Management, Stakeholder Engagement, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Regression Analysis, Statistical Modeling, Statistical Analysis, Predictive Modeling, Data Analysis, Scikit Learn (Machine Learning Library), Microsoft Excel, Linear Algebra, Model Evaluation, Supervised Learning, Exploratory Data Analysis
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Caregiving, Long Term Care, Nursing Care, Home Health Care, Dignity in Care, Care Management, Health Care, Supply And Demand, Emotional Intelligence, Social Work, Healthcare Ethics, Human Services, Empathy & Emotional Intelligence, Community and Social Work, Stress Management, Sociology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Threat Detection, Threat Management, Amazon Web Services, Incident Response, Continuous Monitoring, Cloud Security, Identity and Access Management, Amazon Elastic Compute Cloud, Network Security, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Test Script Development, Test Automation, Browser Compatibility, JUnit, Object Oriented Programming (OOP), Test Data, Integration Testing, Java Programming, Test Case, Test Execution Engine, Software Testing
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Team Leadership, Team Building, Team Motivation, Leadership Development, Team Management, Initiative and Leadership, Leadership, Organizational Leadership, Leadership and Management, Professional Development, Teamwork, Personal Development, People Development, Business Leadership, Collaboration, Willingness To Learn, Self-Awareness, Empathy, Communication
Beginner · Course · 1 - 4 Weeks