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.

Dartmouth College
Skills you'll gain: Supervised Learning, Predictive Modeling, Predictive Analytics, Statistical Modeling, Machine Learning, Machine Learning Algorithms, Regression Analysis, Probability & Statistics, Linear Algebra
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Performance Analysis, Content Strategy, Stakeholder Communications, User Experience, UI/UX Strategy, User Experience Design, User Research, User Interface and User Experience (UI/UX) Design, Test Planning, Benchmarking, Data-Driven Decision-Making, Competitive Analysis, Writing, Editing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Web Applications, User Interface (UI), UI/UX Strategy, User Experience Design, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Adobe Illustrator, Color Theory, Adobe Photoshop, Adobe Acrobat, Typography, Document Management, Graphic and Visual Design, Graphic Design, Photography, Generative AI, Design, Adobe Creative Cloud, Design Elements And Principles, Workflow Management, Productivity Software, Digital Design, File Management, Collaborative Software, Branding
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Search Engine Optimization, Case Studies, Process Improvement and Optimization, Web Analytics and SEO, Competitive Analysis, Keyword Research, Content Strategy, Business Strategy, Marketing Strategies, Analysis, Auditing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Private Networks (VPN), Network Security
Intermediate · Course · 3 - 6 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: 3D Modeling, 3D Assets, Autodesk, Visualization (Computer Graphics), Computer Graphics, Computer Graphic Techniques, Image Quality
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, Visualization (Computer Graphics), Design Elements And Principles, Creative Design
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Change Management, Organizational Change, Agile Methodology, Meeting Facilitation, Positivity, Team Building, Resilience, Scrum (Software Development), Team Management, Sprint Retrospectives, Innovation, Sprint Planning, Culture Transformation, Organizational Development, Agile Project Management, Virtual Teams, Team Leadership, Business Transformation, Leadership Development, Project Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Video Game Development, Animation and Game Design, 3D Assets, Computer Graphics, Visualization (Computer Graphics), User Interface (UI), Animations, Computer Graphic Techniques, UI Components, User Interface (UI) Design, Event-Driven Programming, Interactive Design, Python Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Consulting, Relationship Management, Business Consulting, Management Consulting, Product Strategy, Technical Consulting, Relationship Building, Project Management, Rapport Building, Consultative Approaches, Project Implementation, Agile Methodology, Company, Product, and Service Knowledge, Waterfall Methodology, Solution Delivery, Enterprise Resource Planning, Systems Thinking, Business Process, Business Transformation, Digital Transformation
Beginner · Course · 1 - 3 Months