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 Colorado System
Skills you'll gain: Object Oriented Design, Unity Engine, Game Design, Software Design Patterns, Data Structures, C# (Programming Language), Video Game Development, Graph Theory, Software Architecture, Algorithms, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Statistical Modeling
Mixed · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Curriculum Development, Course Development, Classroom Management, Education Software and Technology, Instructional Design, Student-Centred Learning, Instructional Strategies, Learning Theory, Peer Review, Student Engagement, Interpersonal Communications, Cultural Diversity
Mixed · Course · 1 - 3 Months
Illinois Tech
Skills you'll gain: Product Lifecycle Management, Market Dynamics, Supply And Demand, Game Theory, Business Strategy, Competitive Analysis, Business Economics, Economics, Market Trend, Strategic Decision-Making, Global Marketing, Cost Reduction, Price Negotiation, Innovation, Market Analysis, Strategic Thinking, Market Opportunities, Strategic Planning, Team Leadership, Adaptability
Build toward a degree
Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Communications, Communication Systems, Electrical and Computer Engineering, Programming Principles, Electronics, Telecommunications, Advanced Mathematics, Algorithms, Linear Algebra, Mathematical Modeling, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Materials science, Failure Analysis, Semiconductors, Manufacturing Processes, Structural Analysis, Mechanical Engineering, Chemical Engineering, Chemistry, Thermal Management, Engineering, Laboratory Testing, Physical Science, Physics, Engineering Analysis, Reliability, Engineering Calculations
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Purchasing, Workflow Management, Business Workflow Analysis, Supplier Relationship Management, Internal Communications, Systems Thinking, Process Mapping, Operational Efficiency, Contract Management, Proposal Writing, Procurement, Negotiation, Strategic Thinking, Team Leadership, AI Product Strategy, Leadership, Operations Management, Communication, Business, Team Management
Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: Algorithms, Programming Principles, Computer Programming, Graph Theory, Computational Thinking, Data Structures
Mixed · Course · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Mechanics, Mechanical Engineering, Simulations, Engineering Calculations, Physics, Applied Mathematics, Energy and Utilities, Engineering Analysis, Systems Of Measurement
Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Financial Policy, Public Policies, Economics, Economics, Policy, and Social Studies, Tax, International Finance, Policy Analysis, Crisis Management, Fiscal Management, Financial Systems, Supply And Demand, Financial Market
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Epidemiology, Infectious Diseases, Mathematical Modeling, Public Health, R Programming, Differential Equations
Intermediate · Course · 1 - 4 Weeks

University of Rochester
Skills you'll gain: Instrumental Music, Music Theory, Musical Composition, Music, Music Performance, Music History
Beginner · Course · 1 - 3 Months