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.

Lund University
Skills you'll gain: Labor Law, Arbitration, Environmental Laws, Case Law, Legal Writing, Legal Research, Labor Relations, Tax, Tax Laws, Regulation and Legal Compliance, Commercial Laws, Compliance Management, Business, Contract Management, Governance
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Cloud Storage, Version Control, Encryption, Data Storage, Data Encryption Standard
Beginner · Guided Project · Less Than 2 Hours

Northwestern University
Skills you'll gain: Machine Controls, Control Systems, Artificial Intelligence, Automation, Graph Theory, Algorithms, Virtual Environment, Simulation and Simulation Software, Mathematical Modeling, Data Structures, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Statistical Modeling
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Patient Safety, Systems Thinking, Health Systems, Safety Standards, Health Care, Health Care Administration, Problem Solving, Quality Improvement, Reliability, Continuous Quality Improvement (CQI), Proactivity, Risk Analysis, Resilience
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Community Outreach, Social Justice, Discussion Facilitation, Diversity Awareness, Advocacy, Diversity Equity and Inclusion Initiatives, Community Development, Diversity Training, Interviewing Skills, Cultural Sensitivity, Cultural Diversity, Interpersonal Communications, Sociology, Intercultural Competence, Storytelling, Multimedia
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Post-Production, Video Editing, 3D Assets, Timelines, Graphics Software, Color Theory, Image Quality, Typography
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Demography, Occupational Health, Environmental Regulations, Social Justice, Environmental Issue, Public Health, Health Equity, Environment, Environmental Laws, Environmental Policy, Health Systems, Sustainable Development, Health Disparities, Systems Thinking, Environment Health And Safety, Occupational Safety and Health Administration (OSHA), Social Determinants Of Health, Climate Change Mitigation, Environmental Science, Epidemiology
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Color Theory, Typography, Adobe Photoshop, Photo Editing, Graphic and Visual Design, Design Elements And Principles, Visual Design, Design, Game Design, Graphic Design, Creative Design, Image Quality
Beginner · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Human Capital, Human Resource Strategy, Human Resources Management and Planning, Talent Management, Leadership Development, Workforce Development, Organizational Strategy, Employee Retention, Recruitment Strategies, Culture Transformation, Performance Management
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Design Thinking, Intellectual Property, 3D Modeling, Innovation, Prototyping, Manufacturing and Production, Entrepreneurship, Education and Training, Community Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Color Theory, User Interface and User Experience (UI/UX) Design, Logo Design, Typography, User Interface (UI), Interaction Design, Figma (Design Software), Adobe Illustrator, Design Reviews, Wireframing, Usability, Graphic and Visual Design, Web Content Accessibility Guidelines, Adobe Photoshop, User Experience, Graphic Design, User Centered Design, Photo Editing, Peer Review, Game Design
Beginner · Professional Certificate · 3 - 6 Months