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.

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Apache, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA, Application Deployment
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Business, Sustainable Development, Systems Thinking, Corporate Strategy, Sustainability Reporting, Climate Change Mitigation, Business Ethics, Compliance Management, Business Risk Management, Environment and Resource Management, Climate Change Adaptation, Supply Chain Management, Stakeholder Engagement, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Music Theory, Storytelling, Music, Musical Composition, Music Performance, Oral Expression, Creativity
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Project Planning, Stakeholder Management, Planning, Conflict Management, Project Management, Project Scoping, Leadership and Management, Project Coordination, Influencing, Organizational Structure, Communication Strategies
Mixed · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Economic Development, Sustainable Development, Socioeconomics, Financial Inclusion, Economics, Human Capital, Policy Analysis, Econometrics, Program Evaluation, Social Sciences, Analysis, Financial Analysis, Entrepreneurship, Insurance, Regression Analysis
Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Policy Development, Policy Analysis, Healthcare Ethics, Medical Privacy, Cultural Diversity, Liberal Arts, Ethical Standards And Conduct, Culture, Law, Regulation, and Compliance, Biotechnology
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Data Ethics, Exploratory Data Analysis, Data-Driven Decision-Making, Statistical Modeling, Web Scraping, Ggplot2, Data Visualization Software, Predictive Modeling, Tidyverse (R Package), Data Visualization, Data Analysis, Regression Analysis, Responsible AI, Data Transformation, Statistical Methods, R Programming, Data Science, Data Wrangling, Data Cleansing, Version Control
Beginner · Specialization · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Complex Problem Solving, Innovation, Team Leadership, Team Management, Strategic Leadership, Conflict Management, Leadership, Leadership Development, Business Leadership, Organizational Leadership, Team Motivation, People Management, Business Transformation, Virtual Teams, Critical Thinking, Professional Development, Leadership and Management, Telecommuting, Strategic Decision-Making, Team Performance Management
Beginner · Specialization · 3 - 6 Months
Erasmus University Rotterdam
Skills you'll gain: Corporate Communications, Crisis Management, Business Ethics, Case Studies, Facebook, Stakeholder Management, Business Management, Social Sciences, Policy Analysis, Data Ethics, Leadership, Information Privacy
Intermediate · Course · 1 - 3 Months
Codio
Skills you'll gain: Matplotlib, Version Control, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Object-Relational Mapping, Natural Language Processing, Data Visualization Software, Unit Testing, Data Visualization, Jupyter, Development Environment, LLM Application, Virtual Environment, Python Programming
Intermediate · Specialization · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Public Policies, Policy Development, Policy Analysis, Political Sciences, Economics, Policy, and Social Studies, Advocacy, Environmental Policy, Behavioral Economics, Public Administration, Program Evaluation, Ethical Standards And Conduct, Governance, Systems Thinking
Build toward a degree
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Videography, Video Production, Photo/Video Production and Technology, Photography, Storyboarding, Storytelling, Media Production, Post-Production, Multimedia, Creativity, Content Creation, Image Quality, Color Theory, Aesthetics
Beginner · Specialization · 3 - 6 Months