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: 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

IESE Business School
Skills you'll gain: Talent Management, Business Priorities, Strategic Leadership, Strategic Prioritization, Workforce Development, Business Leadership, Leadership and Management, Business Management, Leadership, Organizational Leadership, Human Capital, Strategic Thinking, Business Strategy, People Management, Business Modeling, Innovation, Persona (User Experience)
Beginner · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Managed Care, Health Systems, Health Care Administration, Health Care Procedure and Regulation, Health Care, Value-Based Care, Medicaid, Insurance, Health Policy, Medicare, Economics, Behavioral Economics, Supply And Demand, Market Dynamics, Long Term Care, Payment Systems, Hospice
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Correlation Analysis, Seaborn, Data Cleansing, Data Visualization, Statistical Analysis, Data Manipulation, Data Analysis, Exploratory Data Analysis, Pandas (Python Package), Data Integration, Statistics, Infectious Diseases, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Deep Teaching Solutions
Skills you'll gain: Lesson Planning, Critical Thinking, Classroom Management, Stress Management, Instructional Strategies, Teaching, Education and Training, Student Engagement, Differentiated Instruction, Learning Strategies, Pedagogy, Lecturing, Human Learning, Learning Theory, Special Education, Stress First Aid, Time Management, Education Software and Technology, Discussion Facilitation, Learning Management Systems
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Constructive Feedback, Cooperation, Decision Making, Team Performance Management, Team Building, Teamwork, Peer Review, Team Management, Independent Thinking, Personal Development, Empathy, Professional Development, Self-Awareness, Rapport Building, Critical Thinking, Mentorship, Communication Strategies, People Management, Leadership Development, Communication
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Billing, Billing Systems, Cloud Computing, Cost Management, Identity and Access Management, Cost Control, General Networking, Cost Estimation, Virtual Machines, Infrastructure As A Service (IaaS), Cloud Storage, Scalability, Amazon CloudWatch, Software As A Service, Databases, Platform As A Service (PaaS), Database Management, Continuous Monitoring, Private Cloud, Network Administration
Beginner · Specialization · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Epidemiology, Community Health, Biostatistics, Public Health, Community Outreach, Social Determinants Of Health, Health Assessment, Environmental Monitoring, Investigation, Data Collection, Persuasive Communication
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Nutrition and Diet, Food and Beverage, Public Health, Community Health, Social Justice, Sustainable Development, Systems Thinking, Environmental Issue, Natural Resource Management, Sustainability Standards, Health Policy, Health Promotion, Environmental Policy
Beginner · Course · 1 - 3 Months

Lund University
Skills you'll gain: Radiation Therapy, Diagnostic Radiology, Engineering, Scientific, and Technical Instruments, Electrical Engineering, Electronics, Medical Equipment and Technology, Physics, Electronic Systems, Sustainable Technologies, Equipment Design, Materials science
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Mobile Development, Web Applications, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Web Development, Version Control, Responsive Web Design, Video Game Development, Cascading Style Sheets (CSS), Artificial Intelligence, User Interface (UI) Design, Computer Programming, Database Application, Machine Learning
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Blockchain, Network Security, Application Security, Security Engineering, Infrastructure Security, Cybersecurity, Data Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Algorithms
Beginner · Course · 1 - 3 Months