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: Canva (Software), Logo Design, Prompt Engineering, Brainstorming, Creative Design, Brand Strategy, Branding, Graphic and Visual Design, ChatGPT, Color Theory, Target Audience
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Relational Databases, Database Theory, Database Management, Databases, Query Languages, Data Integrity, Data Modeling
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Model Based Systems Engineering, Test Engineering, Systems Thinking, Product Lifecycle Management, Engineering Management, Risk Management Framework, Engineering Design Process, System Requirements, Verification And Validation, Requirements Analysis
Build toward a degree
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: World Music, Music History, Music, Musical Composition, Music Theory, Multimedia, Public Affairs, Performing Arts, Music Performance, Electronic Media, Liberal Arts, Experimentation, Creativity, Cultural Diversity, Research
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Post-Production, Music Theory, Open Source Technology, Media Production, Musical Composition, Music, Music History, Electronic Components, Electronics, Aesthetics, Hardware Design, Collaborative Software, Digital Design, Instrumental Music, Data Sharing, Embedded Systems, System Configuration, Algorithms, Creativity, Digital Publishing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Oil and Gas, Hazard Analysis, Safety Standards, Environmental Resource Management, Energy and Utilities, Environmental Regulations, Petroleum Industry, Environment Health And Safety, Environmental Engineering, Plant Operations and Management, Waste Minimization, Chemical Engineering, Risk Analysis, Failure Mode And Effects Analysis, Electric Power Systems, Sustainable Technologies, Process Control, Process Engineering, Equipment Design
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Amazon S3, Amazon Web Services, Identity and Access Management, Disaster Recovery, Amazon CloudWatch, Serverless Computing, CI/CD, Cloud Computing Architecture, Amazon DynamoDB, Solution Architecture, Containerization, Kubernetes, Hybrid Cloud Computing, Cloud Solutions, Cloud Storage, Cloud Security, Cloud Computing, API Gateway
Intermediate · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Leadership and Management, Business Leadership, Organizational Leadership, Decision Making, Emotional Intelligence, Ethical Standards And Conduct, Business Ethics, Team Leadership, Leadership, Trustworthiness, Leadership Development, Waterfall Methodology, Project Management, Project Management Life Cycle, Self-Awareness, Business Communication
Beginner · Course · 1 - 4 Weeks

Deep Teaching Solutions
Skills you'll gain: Student Engagement, Instructional Strategies, Learning Theory, Education Software and Technology, Discussion Facilitation, Learning Management Systems, Innovation, Digital Communications
Beginner · Course · 1 - 4 Weeks

University of Manchester
Skills you'll gain: Sanitation, Water Resource Management, Environmental Policy, Policy Analysis, Economics, Policy, and Social Studies, Public Health, Community Development, Health Equity, Behavioral Economics, Case Studies, Revenue Management, Regulatory Affairs, Innovation
Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Algorithms, Markov Model, Deep Learning, Data-Driven Decision-Making, Decision Support Systems, Simulations, Probability Distribution, Statistical Methods
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Version Control, Application Deployment, Cloud Storage, Web Design and Development, Public Cloud
Beginner · Guided Project · Less Than 2 Hours