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 Amsterdam
Skills you'll gain: Culture, Interpersonal Communications, Media and Communications, Research, Persuasive Communication, Qualitative Research
Mixed · Course · 1 - 4 Weeks

The University of North Carolina at Chapel Hill
Skills you'll gain: Data Sharing, Data Management, Data Storage, File Management, Data Security, Information Management, Data Strategy, Metadata Management, Records Management, Data Governance, Data Integrity, Data Literacy, Information Privacy, Version Control
Mixed · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Supervised Learning, Predictive Modeling, Logistic Regression, Statistical Modeling, Model Evaluation, Machine Learning, Machine Learning Algorithms, Classification Algorithms, Regression Analysis, Probability & Statistics, Linear Algebra
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Security, DevSecOps, Security Controls, Security Information and Event Management (SIEM), AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Cyber Security Assessment, Identity and Access Management, Cyber Security Policies, Cloud Computing, Vulnerability Management, Continuous Monitoring, Network Security, NIST 800-53, Authorization (Computing), Threat Detection, Auditing, Encryption
Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Prioritization, Strategic Prioritization, Strategic Leadership, Problem Solving, Systems Thinking, Complex Problem Solving, Critical Thinking and Problem Solving, Leadership, Strategic Decision-Making, Stakeholder Communications, Responsible AI, Initiative and Leadership, AI Enablement, Leadership Development, Decision Making, Artificial Intelligence, Analysis, Critical Thinking, Root Cause Analysis, Data Ethics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: International Financial Reporting Standards, Consolidation, Financial Reporting, Financial Accounting, Generally Accepted Accounting Principles (GAAP), Equities, Mergers & Acquisitions, Financial Statement Analysis, Financial Statements, Accounting
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Pay Per Click Advertising, Performance marketing, Google Ads, Keyword Research, Advertising Campaigns, Search Engine Marketing, Marketing Budgets, Online Advertising, Paid media, Advertising, Digital Advertising, Marketing, Data-Driven Decision-Making, Digital Marketing, Sales Presentation, Performance Metric
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scatter Plots, Data Visualization, Regression Analysis, Excel Formulas, Microsoft Excel, Data Analysis, Descriptive Statistics, Data Visualization Software, Analytics, Statistical Analysis, Statistical Methods, Descriptive Analytics, Correlation Analysis, Statistics, Analysis, Exploratory Data Analysis, Pivot Tables And Charts, Trend Analysis
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: USB, Electronic Hardware, Hardware Design, Electronics, Electrical Systems, Electronics Engineering, Electrical Power, Power Electronics, Electronic Components, Routing Protocols, Computer-Aided Design, Schematic Diagrams, Design, Design Specifications, Design Strategies, Verification And Validation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Gateway, Amazon CloudWatch, API Design, Amazon Web Services, Microservices, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Database Design, SQL, Database Management Systems, NoSQL, Relational Databases, Data Warehousing, Database Theory, Database Architecture and Administration, Database Administration, Databases, Database Systems, Database Management, Data Modeling, Query Languages, Big Data, Data Architecture, Database Application, Data Integrity, Data Access, Data Science
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google App Engine, Cloud Applications, Restful API, Google Cloud Platform, Cloud Computing Architecture, OAuth, Cloud Computing, Cloud Services, Application Deployment, Platform As A Service (PaaS), Python Programming, Cloud Storage, Application Performance Management, Authentications, Web Applications, Data Store, MySQL, Scalability
Beginner · Course · 1 - 3 Months