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: Music Theory, Classical Music, Music History, Musical Composition, Music, Instrumental Music, Music Performance
Intermediate · Specialization · 1 - 3 Months

The Pennsylvania State University
Skills you'll gain: Geographic Information Systems, Case Studies, Climate Change Programs, Systems Thinking, Design Thinking, Geospatial Information and Technology, Sustainable Design, Spatial Analysis, Collaborative Software, Decision Support Systems, Cultural Responsiveness
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Recruitment, Talent Recruitment, Professional Development, Organizational Structure, Virtual Teams, People Development, Cultural Diversity, Applicant Tracking Systems, Human Capital, Professional Networking, Team Building, Lifelong Learning, Innovation, Decision Making, Employee Onboarding, Change Management, Time Management, Learning Strategies, Digital Transformation, Emerging Technologies
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: UI/UX Research, User Interface and User Experience (UI/UX) Design, User Experience, User Centered Design, Usability, User Flows, User Interface (UI) Design, Responsive Web Design, Interaction Design, Typography, Prototyping, Persona Development, Color Theory
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Talent Management, People Development, Professional Networking, Collaboration, Leadership Development, Team Motivation, Teamwork, People Management, Entrepreneurship, Innovation, Leadership and Management, Leadership, Creativity, Employee Coaching, Mentorship, Influencing, Employee Retention, Recruitment Strategies, Growth Strategies
Beginner · Course · 1 - 4 Weeks

Commonwealth Education Trust
Skills you'll gain: Student Engagement, Teaching, Pedagogy, Classroom Management, Human Learning, Working With Children, Child Development, Learning Theory, Differentiated Instruction, Parent Communication, Cultural Diversity, Substance Abuse
Mixed · Course · 1 - 3 Months

Skills you'll gain: Linear Algebra, Differential Equations, Advanced Mathematics, Algebra, Applied Mathematics, Mathematical Theory & Analysis, Mathematical Modeling
Mixed · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Prompt Engineering, Brainstorming, Creative Design, Brand Strategy, Branding, Graphic and Visual Design, ChatGPT, Color Theory, Target Audience
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Oral Expression, Non-Verbal Communication, Learning Theory, Storytelling, Education Software and Technology, Human Learning, Motivational Interviewing, Conflict Management, Interpersonal Communications, Technical Communication, Education and Training, Media and Communications, Driving engagement, Teaching, Persuasive Communication, De-escalation Techniques, Writing, Scientific Methods, Rapport Building, Diversity Awareness
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Linear Algebra, Algebra, Differential Equations, Calculus, Mathematical Modeling, Mathematical Theory & Analysis, Geometry
Mixed · Course · 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 Modeling, Data Cleansing, Data Security
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Amazon S3, Amazon Web Services, Identity and Access Management, Disaster Recovery, Amazon CloudWatch, Serverless Computing, CI/CD, Cloud Computing Architecture, Amazon DynamoDB, Solution Architecture, Containerization, Kubernetes, Hybrid Cloud Computing, Cloud Solutions, Cloud Storage, Cloud Security, Cloud Computing, API Gateway
Intermediate · Specialization · 1 - 3 Months