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: Project Risk Management, Risk Management, Planning, Team Management, Project Implementation, Project Planning, Business Risk Management, Project Controls, Team Leadership, Project Management, Leadership and Management, Program Evaluation, Initiative and Leadership, Leadership, Prioritization, Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: R Programming, Predictive Analytics, Applied Machine Learning, Analytics, Data Science, Data Processing, Feature Engineering, Machine Learning, Telemarketing, Application Deployment
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Front-End Web Development, UI Components, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Graphic Design, Graphic and Visual Design, Color Theory, Creativity, User Accounts, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Radio y Televisión Española
Skills you'll gain: Social Media Content, Social Media Strategy, Live Streaming, Photo/Video Production and Technology, Social Media Management, Content Strategy, Web Content, Media and Communications, Content Creation, Journalism, Mobile Development Tools, Research, Digital Communications, Investigation, Social Network Analysis, Trend Analysis, Verification And Validation, Facebook, Data Validation, Open Source Technology
Beginner · Specialization · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Process Mapping, Process Improvement, Business Modeling, Business Process Improvement, Business Process, Organizational Structure, Project Management, Operations Management, Business Strategy, Leadership and Management, Organizational Effectiveness, Innovation
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Economics, Policy, and Social Studies, Supply And Demand, Market Analysis, Economics, Resource Allocation, Environmental Issue, Public Policies
Beginner · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Music Theory, Music, Instrumental Music, Classical Music, Music Performance
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Music Theory, Classical Music, Music History, Music, Musical Composition, Instrumental Music, Music Performance
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Environmental Laws, Sustainable Development, Climate Change Adaptation, Land Development, Community Development, Environmental Policy, Sustainable Design, Stormwater Management, Social Justice, Environmental Resource Management, Socioeconomics, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Version Control, Git (Version Control System), GitHub, Collaborative Software, DevOps, Software Development Tools, Linux, Open Source Technology
Beginner · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Musical Composition, Peer Review, Music, Music Theory, Music Performance, Creativity, Writing and Editing, Writing, Storytelling
Beginner · Course · 1 - 4 Weeks