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 Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Learning Theory, Instructional Design, Learning Management Systems, Digital pedagogy, Technology Solutions, Disabilities, Human Computer Interaction, Emerging Technologies, Electronic Media, Gerontology
Mixed · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Community Development, Ethical Standards And Conduct, Strategic Leadership, Complex Problem Solving, Adaptability, Systems Thinking, Leadership, Business Risk Management, Self-Awareness, Emotional Intelligence
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Embedded Software, Embedded Systems, Electronics Engineering, Electronic Systems, Electronic Hardware, Electronics, Machine Controls, Control Systems, Electrical Systems, Hardware Design, Programmable Logic Controllers, Equipment Design, Electronic Components
Build toward a degree
Intermediate · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Storytelling, Musical Composition, Music Performance, Oral Expression, Music, Instrumental Music, Creativity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Game Theory, Strategic Decision-Making, Strategic Thinking, Decision Making, Systems Thinking, Complex Problem Solving, Spreadsheet Software
Intermediate · Guided Project · Less Than 2 Hours

Lund University
Skills you'll gain: Intellectual Property, Legal Strategy, Legal Writing, Law, Regulation, and Compliance, Compliance Management, Competitive Analysis, Mergers & Acquisitions, Advocacy, Brand Strategy, Procurement, Innovation
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Social Network Analysis, Social Sciences, Network Analysis, Social Studies, Data Science, Machine Learning, Computational Thinking, Artificial Intelligence, Data Analysis, Simulations, Big Data, Digital Transformation, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Team Building, Clinical Leadership, Nursing Administration, Nursing Management, Team Leadership, Health Informatics, Education and Training, Clinical Informatics, Leadership, Professional Development, Nursing, Nurse Education, Health Care Administration, Learning Management Systems, Informatics, Health Policy, Innovation, Health Care, Interpersonal Communications, Conflict Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Logo Design, Branding, Brand Strategy, Graphic Design, Target Audience, Marketing Materials, Social Media, Scheduling, Presentations, Content Creation, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

KodeKloud
Skills you'll gain: Jenkins, Terraform, Infrastructure as Code (IaC), Kubernetes, Ansible, Package and Software Management, Docker (Software), Linux Administration, Continuous Integration, CI/CD, Version Control, Linux, YAML, Microservices, Application Development, Linux Commands, Devops Tools, Git (Version Control System), DevOps, Python Programming
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Apache Spark, Apache Hadoop, Apache Mahout, Distributed Computing, Data Storage, Data Processing, NoSQL, Apache Kafka, Cloud Computing, Real Time Data, Databases, Analytics, Deep Learning, Scalability, Machine Learning Algorithms, Graph Theory, Machine Learning
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Threat Modeling, Risk Management, Business Continuity Planning, Asset Protection, Risk Analysis, Business Risk Management, Risk Management Framework, Risk Mitigation, Vulnerability Assessments, Asset Management, Disaster Recovery, Security Controls
Mixed · Course · 1 - 4 Weeks