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.

The Pennsylvania State University
Skills you'll gain: Nutrition and Diet, Sustainability Standards, Manufacturing and Production, Market Dynamics, Water Resource Management, Business Economics, Biotechnology, Production Management, Environmental Management Systems, Climate Change Mitigation
Mixed · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Research, Psychology, Social Sciences, Mental Health Diseases and Disorders, Scientific Methods, Social Skills, Social Justice, Human Learning, Human Development, Hospice, Infant Care, Empathy & Emotional Intelligence, Learning Theory, Culture, Biology, Interpersonal Communications, Mental Health, Emotional Intelligence, Prenatal Care, Cognitive Behavioral Therapy
Earn a degree
Degree · 1 - 4 Years

Skills you'll gain: Debugging, Version Control, Microsoft Copilot, C# (Programming Language), Git (Version Control System), Microsoft Visual Studio, .NET Framework, Program Development, Application Development, Object Oriented Programming (OOP), Computer Programming, Microsoft Development Tools, Development Environment, User Interface (UI), Programming Principles
Beginner · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Human Capital, Human Resource Strategy, Human Resources Management and Planning, Business Process Management, IT Management, Marketing, Talent Management, Brand Management, Business Process Improvement, Technical Management, Business Economics, Brand Strategy, Strategic Marketing, Operations Management, Leadership Development, Continuous Improvement Process, Value Propositions, Market Dynamics, Economics, Economic Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft 365, Microsoft Power Automate/Flow, Microsoft Power Platform, Data Governance, Data Migration, Business Process Automation, Content Management, Microsoft Teams, Microsoft Office, Trend Analysis, Document Management, Strategic Thinking, Strategic Planning, System Configuration, Compliance Management, Technology Roadmaps, DevOps, Microsoft Copilot, Data Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Version Control, Large Language Modeling, Git (Version Control System), Data Management, Performance Testing, Dashboard, Machine Learning, Scripting, Performance Analysis, Technical Documentation
Intermediate · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Oracle SQL Developer, SQL, Oracle Databases, PL/SQL, Database Design, Database Theory, Database Management Systems, Relational Databases, Database Management, Databases, Database Architecture and Administration, Data Storage, Transaction Processing, Stored Procedure, Data Management, Query Languages, Network Architecture, Diagram Design, Command-Line Interface, Data Modeling
Beginner · Specialization · 3 - 6 Months

The University of Tokyo
Skills you'll gain: Higher Education, Cultural Sensitivity, Intercultural Competence, Cultural Diversity, Language Learning, Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Star Schema, Data Modeling, Data Quality, Data Pipelines, Database Design, Data Mart, Data Validation, Extract, Transform, Load, Data Analysis, Data Warehousing, Data Transformation, Data Management, Version Control
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Innovation, Entrepreneurship, Team Building, Business Modeling, Environmental Issue, Business Planning, New Business Development, Sustainable Business, Environmental Social And Corporate Governance (ESG), Sustainable Development, Business Development, Action Oriented, Stakeholder Engagement, Case Studies, Market Opportunities
Beginner · Course · 1 - 3 Months
Rice University
Skills you'll gain: Portfolio Risk, Portfolio Management, Investment Management, Investments, Financial Market, Risk Management, Finance, Return On Investment, Risk Analysis, Statistical Methods, Probability Distribution, Correlation Analysis, Decision Making, Quantitative Research, Variance Analysis
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months