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.

University of Michigan
Skills you'll gain: Human Capital, Human Resource Strategy, Human Resources, Change Management, Human Resources Management and Planning, Talent Management, Labor Relations, HR Tech, Organizational Strategy, Crisis Management, Intercultural Competence, Cultural Diversity, Talent Acquisition, Industrial and Organizational Psychology, Workforce Development, Diversity and Inclusion, Team Management, People Analytics, Leadership, Communication
Intermediate · Specialization · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Analysis, Descriptive Statistics, Statistical Methods, Probability & Statistics, Data Ethics, Data Collection, Exploratory Data Analysis, Statistical Reporting, Logistic Regression, Statistical Modeling, Data Cleansing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Multimedia, Interactive Data Visualization, Data Visualization, Marketing Design, Data Sharing, Presentations, Design, Color Theory, Graphic Design, Marketing, Communication
Intermediate · Guided Project · Less Than 2 Hours

University of New Mexico
Skills you'll gain: Geriatrics, Orthopedics, Child Health, Physical Therapy, Manual Therapy, Maternal Health, Preventative Care, Health Care, Patient Treatment, Infant Care, Pain Management, Cultural Sensitivity, Anatomy
Beginner · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Mediation, Negotiation, Conflict Management, Cultural Diversity, Case Studies, Communication Strategies, Analysis, Value Propositions, Consultative Approaches, Peer Review, Process Design, Interpersonal Communications, Active Listening
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Delegation Skills, Stakeholder Management, Technical Management, Engineering Management, Negotiation, Mentorship, Meeting Facilitation, Decision Making, Team Leadership, Leadership, Organizational Leadership, Culture Transformation, Team Management, Leadership and Management, Courage, Growth Mindedness, Business Leadership, Team Building, Collaboration, Communication
Build toward a degree
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Color Theory, Graphic Design, Typography, User Experience Design, Graphic and Visual Design Software, Design, Digital Design, Design Elements And Principles, Web Design and Development, Adobe Photoshop, Image Quality
Beginner · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Biochemistry, Molecular Biology, Cell Biology, Chemistry, Physiology, Analytical Chemistry, Biology, Bioinformatics, Structural Analysis, Experimentation
Mixed · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Unity Engine, 3D Modeling, Color Theory, Animation and Game Design, Autodesk Maya, Video Game Development, Computer Graphics, Adobe Photoshop, Creativity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adobe Illustrator, Color Theory, Graphic and Visual Design, Design, Design Elements And Principles, Graphic Design, Logo Design, Typography, Adobe Creative Cloud, File Management
Beginner · Guided Project · Less Than 2 Hours

Shanghai Jiao Tong University
Skills you'll gain: Immunology, Exercise Science, Physical Therapy, Public Health and Disease Prevention, Research, Cultural Responsiveness, Mindfulness, Stress Management, Chronic Diseases, Respiration, Mental Health Therapies
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Algorithms, Mathematical Modeling, Applied Mathematics, Combinatorics, Theoretical Computer Science, Data Structures, Pseudocode, Computational Thinking, Graph Theory, Design Strategies, Network Routing, Image Analysis, Bioinformatics, Digital Signal Processing
Intermediate · Course · 1 - 3 Months