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 Boulder
Skills you'll gain: Artificial Intelligence, Computational Thinking, Human Learning, Theoretical Computer Science, Psychology, Computer Science, Algorithms
Beginner · Course · 1 - 4 Weeks

Nanyang Technological University, Singapore
Skills you'll gain: Systems Thinking, Case Studies, Network Analysis, Mathematical Modeling, Simulations, Systems Engineering, Social Sciences, Applied Mathematics, Sustainable Systems, Policy Analysis, Forecasting, Critical Thinking, Jupyter
Beginner · Course · 1 - 3 Months
Emory University
Skills you'll gain: Social Media Marketing, Social Media, Marketing Analytics, Text Mining, Consumer Behaviour, Data Mining, Social Network Analysis, Customer Insights, Market Analysis, Unstructured Data, Trend Analysis, Research
Mixed · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Acumen, Investments, Supply And Demand, Real Estate, Income Statement, Risk Management, Market Dynamics, Market Trend, Portfolio Management, Growth Strategies, Business Economics, Portfolio Risk, Economics, Business Valuation, Financial Trading, Technical Analysis, Research
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Responsive Web Design, User Interface and User Experience (UI/UX) Design, Usability, Web Design, User Experience, User Interface (UI), Typography, Design Elements And Principles, Layout Design, Color Theory, UI Components, Wireframing, Web Components, Mockups
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Applied Mathematics, Graphing, Numerical Analysis, Python Programming, Advanced Mathematics, Mathematical Software, Mathematical Modeling, Derivatives, Programming Principles
Intermediate · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Student-Centred Learning, Human Learning, Learning Theory, Behavior Management, Psychology, Culture, Applied Behavior Analysis, Education and Training, Learning Strategies, Social Sciences, Sociology, Interpersonal Communications
Beginner · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Interviewing Skills, Journalism, Research, Investigation, Ethical Standards And Conduct, Data Collection, Rapport Building, Diversity Awareness, Cultural Diversity, Social Network Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Supply Chain, Logistics, Supply Chain Management, Logistics Management, Supply Chain Planning, Performance Measurement, Transportation Management, Operational Efficiency, Operations Management, Business Operations, Transportation Operations, Supply Chain Systems, E-Commerce, Systems Thinking, Business Planning, Market Analysis, Process Design, Supplier Management, Business, Business Administration
Beginner · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Inventory Accounting, Balance Sheet, Cash Management, Accounts Receivable, Financial Reporting, Depreciation, Financial Accounting, International Financial Reporting Standards, Generally Accepted Accounting Principles (GAAP), Accounting, Fixed Asset, Financial Statement Analysis, Ledgers (Accounting), Inventory Control, Asset Management, Investments, Internal Controls
Build toward a degree
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Strategic Thinking, Strategic Decision-Making, Systems Thinking, Strategic Planning, Business Strategy, Complex Problem Solving, Decision Making, Contingency Planning, Analysis, Trend Analysis, Case Studies, Strategic Prioritization, Competitive Analysis, Data-Driven Decision-Making, Market Intelligence, Performance Analysis
Mixed · Course · 1 - 3 Months

Google Quantum AI
Skills you'll gain: Debugging, Emerging Technologies, Hardware Architecture, Failure Analysis, Simulation and Simulation Software, Theoretical Computer Science, Mathematical Modeling, Computer Architecture, Simulations, Linear Algebra, Computer Science
Intermediate · Course · 1 - 4 Weeks