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: AWS Identity and Access Management (IAM), Disaster Recovery, Identity and Access Management, Amazon Web Services, Cloud Security, Cloud Management, Amazon Elastic Compute Cloud, Data Security, Infrastructure Security
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Statistical Visualization, Data Visualization Software, R Programming, Ggplot2, Plot (Graphics), Statistical Methods, Data Analysis, Unsupervised Learning, Spatial Data Analysis, Dimensionality Reduction, Graphical Tools, Color Theory, Analytics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Deployment, Application Deployment, CI/CD, Kubernetes, Cloud Deployment, Version Control, Git (Version Control System), Google Cloud Platform
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Decision Making, Driving engagement, Behavioral Economics, Human Factors, UI/UX Strategy, User Experience, Persona (User Experience), User Centered Design, User Experience Design, Usability Testing, Psychology, Experimentation, Design Strategies, Trustworthiness, Motivational Skills, Social Skills, Behavioral Management, Product Management, Ethical Standards And Conduct, Digital Marketing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Layout Design, Creative Design, Graphic and Visual Design Software
Intermediate · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Health Policy, Public Health, Health Systems, Geographic Information Systems, Systems Thinking, Community Health, Spatial Analysis, Social Determinants Of Health, Sustainable Development, Environmental Issue, Data Collection, Machine Learning
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Typography, Web Design, Maintainability, Debugging, User Interface (UI), Semantic Web, Color Theory
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: GitHub, Git (Version Control System), Version Control, Collaborative Software, Software Versioning, Software Development Tools, Command-Line Interface
Beginner · Course · 1 - 4 Weeks
Scrum Alliance
Skills you'll gain: Coaching, Employee Coaching, Agile Product Development, Agile Methodology, Agile Project Management, Agile Software Development, Team Management, Team Leadership, Collaboration, Culture Transformation, Organizational Leadership, Business Transformation, Leadership, Organizational Effectiveness, Leadership and Management, Organizational Change, Management Consulting, Business, Communication, Business Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Network Engineering, Software Development Tools, Restful API, Virtualization and Virtual Machines, Web Applications, TCP/IP, YAML, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Employee Performance Management, Performance Management, Human Resource Strategy, Human Capital, Human Resources, Workforce Development, Talent Management, Organizational Strategy, Employee Retention, Case Studies, Competitive Analysis, Organizational Effectiveness, Business Strategies, Analysis
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Firewall, Google Cloud Platform, Cloud Applications, Application Programming Interface (API), Application Deployment, Cloud Deployment, Software Versioning, Application Development, Version Control
Beginner · Project · Less Than 2 Hours