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 Washington
Skills you'll gain: Software Installation, Programming Principles, Other Programming Languages, Functional Design, Computer Programming, Ruby (Programming Language), Theoretical Computer Science, Object Oriented Programming (OOP), Computational Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Customer Relationship Management (CRM) Software, Customer Relationship Management, Customer experience strategy (CX), Customer Success Management, Customer Acquisition Management, Customer Analysis, Customer Data Management, Brand Loyalty, Customer Retention, Customer Relationship Building, Customer Engagement, Organizational Strategy, Marketing Automation, Case Studies, Value Propositions, Market Analysis, Portfolio Management, Analysis, Business Strategy, Competitive Analysis
Beginner · Specialization · 1 - 3 Months

Wesleyan University
Skills you'll gain: Integral Calculus, Mathematical Theory & Analysis, Algebra, Advanced Mathematics, Geometry, Calculus, Trigonometry, Graphing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Creative Thinking, Information Management, Content Management, Knowledge Transfer, Lifelong Learning, Innovation, Curiosity, Creative Problem-Solving, Systems Thinking, Critical Thinking, Productivity Software, Organizational Skills, Writing and Editing, Collaboration, Development Environment
Beginner · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Combinatorics, Algorithms, Theoretical Computer Science, Mathematical Theory & Analysis, Graph Theory, Data Structures, Advanced Mathematics, Mathematical Modeling, Probability
Advanced · Course · 1 - 3 Months

Skills you'll gain: Adaptability, Empathy, Cognitive flexibility, Communication, Systems Thinking, Critical Thinking, Decision Making, Open Mindset, Self-Awareness, Human Learning, Change Management, Leadership and Management
Beginner · Course · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Software Design Patterns, Object Oriented Programming (OOP), Computer Programming, C (Programming Language), Algorithms, Graph Theory, Artificial Intelligence, Data Structures, Game Design
Intermediate · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Computational Thinking, Computer Programming, Network Routing, Cryptography, Java Programming, Linear Algebra
Intermediate · Course · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, NoSQL, Apache Cassandra, Cloud Computing, Systems Design, Data Storage Technologies, Apache Hadoop, Database Theory, Algorithms, Theoretical Computer Science, Scalability, C++ (Programming Language), Network Protocols
Beginner · Course · 1 - 3 Months

Skills you'll gain: Descriptive Statistics, Feature Engineering, Probability & Statistics, Supervised Learning, Statistical Hypothesis Testing, Exploratory Data Analysis, Box Plots, Regression Analysis, Statistics, Predictive Modeling, Time Series Analysis and Forecasting, Data Science, Histogram, Data Visualization, Statistical Analysis, Forecasting, Database Application, Integrated Development Environments, Computer Networking, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Search Engine Optimization, Consumer Behaviour, Case Studies, Marketing, Web Analytics and SEO, Marketing Strategies, Process Improvement and Optimization, Digital Advertising, Content Strategy, Digital Marketing, Target Audience, Marketing Effectiveness, Competitive Analysis, Keyword Research, Market Opportunities, Business Strategy, Strategic Thinking, Advertising, Brand Strategy, Market Analysis
Beginner · Specialization · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Statistical Inference, Statistical Methods, Pandas (Python Package), Probability & Statistics, Risk Analysis, Financial Trading, Financial Data, Data Manipulation, Statistical Analysis, Regression Analysis, Financial Analysis, Jupyter, Probability Distribution, Python Programming, Data Visualization
Intermediate · Course · 1 - 4 Weeks