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, Data Visualization Software, Data Cleansing, Classification And Regression Tree (CART), Random Forest Algorithm, Decision Tree Learning, Scikit Learn (Machine Learning Library), Applied Machine Learning, Predictive Modeling, Data Manipulation, Data Preprocessing, Data Science, Machine Learning, Model Evaluation, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Outbound Calls, Telephone Skills, Operational Efficiency, AI Workflows, Customer experience improvement, Workflow Management, Productivity Software, AI Enablement, Customer Service, Automation, Systems Integration
Beginner · Guided Project · Less Than 2 Hours

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

Whizlabs
Skills you'll gain: Amazon CloudWatch, Amazon Web Services, System Monitoring, Event Monitoring, Network Monitoring, AWS Identity and Access Management (IAM), Continuous Monitoring, Application Performance Management, Amazon Elastic Compute Cloud, Cloud Computing, Load Balancing
Beginner · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Water Resources, Environment, Climate Change Adaptation, Environmental Issue, Water Sustainability, Environmental Science, Natural Resource Management, Land Management, Water Resource Management, Sustainable Development, Education and Training, Environment Health And Safety, Teaching, Social Studies, Sustainable Technologies, Systems Thinking, Biology, Community Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Verification And Validation, Computational Logic, System Requirements, Data Validation, Functional Requirement, Systems Design, Theoretical Computer Science
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps Pipelines, Azure DevOps, Continuous Delivery, CI/CD, Continuous Integration, Continuous Deployment, Version Control, Git (Version Control System)
Intermediate · Guided Project · Less Than 2 Hours

SAE Institute México
Skills you'll gain: Video Editing, Color Theory, Post-Production, Graphical Tools, Document Management, Timelines, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Network Analysis, Statistical Modeling, Bayesian Network, R (Software), R Programming, Social Network Analysis, Simulations, Graph Theory, Statistical Analysis, Probability & Statistics, Markov Model, Probability Distribution, Data Visualization, Machine Learning, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Operations Research, Applied Mathematics, Mathematical Software, Linear Algebra, Mathematical Modeling, Algorithms, Business Modeling, Complex Problem Solving, Spreadsheet Software
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Journalism, Health Education, Public Health, Media and Communications, Interviewing Skills, Stress First Aid, Advocacy, Mental Health, Cultural Sensitivity, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Preprocessing, Java, Data Structures, File I/O, Java Programming
Intermediate · Guided Project · Less Than 2 Hours