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 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

Rice University
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Awareness, Human Resource Strategy, Employee Retention, Demography, Workplace inclusivity, Benchmarking, Social Justice, Cultural Diversity, Human Resources, Recruitment Strategies, Peer Review, Organizational Development, Business Planning, Workforce Development, Organizational Effectiveness, Training Programs, Performance Review, Leadership and Management
Intermediate · 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

Berklee
Skills you'll gain: Music Theory, Storytelling, Musical Composition, Music Performance, Oral Expression, Music, Instrumental Music, Creativity
Intermediate · 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 Pennsylvania
Skills you'll gain: FinTech, Portfolio Management, Consumer Lending, Return On Investment, Lending and Underwriting, Financial Services, Risk Analysis, Investments, Fundraising and Crowdsourcing, Financial Market, Asset Management, Case Studies, Wealth Management
Beginner · Course · 1 - 4 Weeks

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 Illinois Urbana-Champaign
Skills you'll gain: Application Specific Integrated Circuits, Hardware Design, Computer-Aided Design, Systems Design, Computer Architecture, Network Routing, Computational Logic, Electrical Engineering, Data Structures, Algorithms, Graph Theory, Mathematical Modeling, Calculus
Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Business Process Management, Organizational Structure, Decision Making, Game Theory, Operational Efficiency, Organizational Effectiveness, Business Management, Problem Solving, Business, Complex Problem Solving, Business Strategy, Coordination
Beginner · Course · 1 - 4 Weeks

Curtis Institute of Music
Skills you'll gain: Musical Composition, Music History, Instrumental Music, Classical Music, Music Theory, Music Performance
Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Human Capital, Employee Retention, Workforce Development, Human Resource Strategy, Employee Training, Digital Transformation, Organizational Strategy, Employee Engagement, Supply Chain Management, Human Resources Management and Planning, E-Commerce, Customer experience strategy (CX), Brand Strategy, Analytics, Talent Management, Retail Store Operations, Marketing Strategies, Business Technologies, Customer Insights, Performance Management
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Routing Protocols, Network Routing, TCP/IP, Network Protocols, Network Architecture, Network Performance Management, Computer Networking, OSI Models, Local Area Networks, Graph Theory, Algorithms
Intermediate · Course · 1 - 3 Months