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.

California Institute of the Arts
Skills you'll gain: Intellectual Property, Business Planning, Competitive Analysis, Business Risk Management, Tax Preparation, Business Process Automation, Budget Management, Business Strategy, Contract Management, Peer Review, Process Improvement, Financial Analysis, Financial Forecasting, Small Business Accounting, Client Services, Financial Modeling, Market Analysis, Entrepreneurship, Marketing, Leadership and Management
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Change Management, Organizational Change, Culture Transformation, Organizational Development, Agile Methodology, Business Transformation, Scalability, Leadership and Management, Organizational Strategy, Case Studies
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Probability, Probability Distribution, Applied Mathematics, Statistics, Risk Management, Risk Modeling, Combinatorics, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing, Cloud Infrastructure, Cloud Services, JavaScript Frameworks, Back-End Web Development, Cloud Deployment, DevOps, Full-Stack Web Development, OpenShift, Version Control, CI/CD, Application Frameworks, Software Development, Web Applications, Microservices, Containerization, Kubernetes, Web Development, Node.JS, Serverless Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Color Theory, User Interface and User Experience (UI/UX) Design, Logo Design, Typography, Interaction Design, Figma (Design Software), Adobe Illustrator, Wireframing, Marketing Materials, Marketing Design, Layout Design, Usability, Web Content Accessibility Guidelines, Graphic Design, User Centered Design, Photo Editing, Peer Review, Adobe Firefly, Game Design, Adobe Photoshop
Beginner · Professional Certificate · 3 - 6 Months

Arizona State University
Skills you'll gain: Semiconductors, Electronic Components, Materials science, Electrical Engineering, Electronics Engineering, Mechanical Engineering, Electronics, Failure Analysis, Thermal Management, Chemical Engineering, Manufacturing Processes, Process Control, Structural Analysis, Chemistry, Engineering Calculations
Intermediate · Specialization · 3 - 6 Months

New York University
Skills you'll gain: Supervised Learning, Model Evaluation, Applied Machine Learning, Machine Learning, Statistical Methods, Artificial Neural Networks, Predictive Modeling, Scikit Learn (Machine Learning Library), Regression Analysis, Deep Learning, Finance, Financial Market, Tensorflow, Logistic Regression, Jupyter, Reinforcement Learning
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Environmental Monitoring, Water Quality, Hydrology, Environmental Engineering, Water Resources, Laboratory Testing, Environmental Science, Mathematical Modeling, Microbiology, Chemical Engineering, Chemistry
Advanced · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Business Intelligence, Decision Support Systems, Data Visualization, Business Process Management, Data Warehousing, Performance Measurement, MicroStrategy, Business Analytics, Dashboard, Data Visualization Software, Key Performance Indicators (KPIs), Data-Driven Decision-Making, Business Reporting, Data Analysis, Six Sigma Methodology
Mixed · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Motivational Interviewing, Cognitive Behavioral Therapy, Mental Health Therapies, Behavioral Health, Mental and Behavioral Health, Psychotherapy, Psychology, Experimentation, Health Education, Goal Setting
Beginner · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Financial Modeling, Return On Investment, Asset Management, Financial Market, Estimation, Statistical Methods, Python Programming, Risk Analysis, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Big Data, Relational Databases, Database Systems, Dataflow, Databases, Data Science, Data Manipulation, Data Processing, NoSQL, Apache Spark, Distributed Computing, Apache Hadoop, SQL, Data Analysis, Query Languages, Cloud Computing, Scalability, Graph Theory, Python Programming, Algorithms
Mixed · Course · 1 - 3 Months