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.

Coursera
Skills you'll gain: Scrum (Software Development), Team Building, Team Management, Backlogs, Agile Project Management, Agile Methodology, Sprint Retrospectives, Team Leadership, Sprint Planning, User Story, Cross-Functional Collaboration, Case Studies, Project Management, Resilience
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Stored Procedure, Database Design, NoSQL, Database Architecture and Administration, SQL, Relational Databases, Cloud Applications, PostgreSQL, Database Systems, Database Theory, Data Store, Data Modeling, Databases, JSON, Application Deployment, Cloud Deployment, Distributed Computing, Database Management, Text Mining, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, Web Design and Development, HTML and CSS, Web Design, UI Components
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Strategic Sourcing, Supplier Management, Procurement, Vendor Management, Project Scoping, Market Analysis, Supply Chain, Market Intelligence, Market Research, Business Research, Data Collection, Project Documentation, Business Writing, Organizational Skills
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Strategic Communication, Performance Measurement, Key Performance Indicators (KPIs), Communication Planning, Strategic Leadership, Employee Engagement, Business Planning, Strategic Planning, Dashboard, Meeting Facilitation, Goal Setting, Planning, Organizational Strategy, Discussion Facilitation, Stakeholder Engagement, Presentations, Business Strategy, Leadership Development, Team Building, Teamwork
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Occupational Safety and Health Administration (OSHA), Occupational Safety And Health, Internal Auditing, Safety Training, Emergency Response, Safety Culture, Occupational Health, Safety Audits, Job Safety Analysis, Risk Control, Risk Management, Hazard Communication (HazCom), Regulatory Compliance, Continuous Quality Improvement (CQI), Organizational Development, Document Management
Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Typography, Design, Graphic Design, Graphic and Visual Design Software, Layout Design, Design Elements And Principles, Color Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Documentation, Technical Writing, Software Documentation, Technical Communication, Software Design Documents, Information Architecture, Writing, User Requirements Documents, Software Development Tools, Automation, Style Guides, Software Development, Agile Software Development, Interactive Design, Project Management Software, Diagram Design, Generative AI
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Visualization, Data Visualization Software, Tableau Software, Data Storytelling, Data Presentation, Exploratory Data Analysis, Design Elements And Principles, Data Analysis, Color Theory, Data Ethics, User Centered Design, Human Factors
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Collaborative Software, Web Applications, Open Source Technology, Command-Line Interface, DevOps
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, JUnit, Performance Tuning, Debugging, Algorithms, Object Oriented Programming (OOP), Theoretical Computer Science, Unstructured Data
Intermediate · Course · 1 - 3 Months

Lund University
Skills you'll gain: Legal Research, Law, Regulation, and Compliance, International Relations, Compliance Management, Environmental Laws, Public Policies, Case Law, Commercial Laws, Economics, Governance
Beginner · Course · 1 - 3 Months