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 Colorado Boulder
Skills you'll gain: Stakeholder Communications, Stakeholder Analysis, Systems Thinking, Communication Strategies, Business Systems Analysis, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Regression Testing, Scenario Testing, Test Execution Engine, Javascript, Browser Compatibility, Scripting, Automation, Web Development Tools, Computer Programming
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Google Gemini, Code Review, Application Deployment, Continuous Deployment, Responsible AI, Software Development Tools, Google Cloud Platform, Generative AI, Prompt Engineering, Debugging, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Photography, Adobe Photoshop, Color Theory, Image Quality, Color Matching, Adobe Creative Cloud, Data Import/Export, Editing
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Statistics, Regression Analysis, Probability, Statistical Hypothesis Testing, Probability Distribution, Statistical Analysis, Statistical Inference, Sampling (Statistics), Combinatorics
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Incident Response, Incident Management, Threat Modeling, Cyber Governance, Computer Security Incident Management, Cyber Security Strategy, Cyber Attacks, Security Management, Threat Management, Cyber Risk, Cyber Security Policies, Cybersecurity, Intrusion Detection and Prevention, Governance Risk Management and Compliance, Cyber Security Assessment, Cyber Operations, Compliance Management, Governance, Risk Management, Risk Control
Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Social Network Analysis, Network Analysis, Graph Theory, Predictive Analytics, Predictive Modeling, Pandas (Python Package), Matplotlib, Algorithms
Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Virtual Teams, Telecommuting, Team Leadership, Team Management, Peer Review, Workplace inclusivity, Rapport Building, Team Building, Management Training And Development, Leadership and Management, Teamwork, Collaboration, Leadership, Collaborative Software, Delegation Skills, Organizational Leadership, Cross-Functional Collaboration, Diversity and Inclusion, Trustworthiness, Communication
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: R Programming, R (Software), Data Visualization, Time Series Analysis and Forecasting, Interactive Data Visualization, Tidyverse (R Package), Data-Driven Decision-Making, Trend Analysis, Rmarkdown, Data Processing, Data Analysis, Predictive Modeling, Data Cleansing, Data Manipulation, Revenue Management, Forecasting, Business Strategy, Demand Planning, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Probability & Statistics, Statistics, Data Analysis, Statistical Analysis, Regression Analysis, Analytics, Statistical Methods, Probability, Data Science, Statistical Modeling, Data-Driven Decision-Making, Statistical Inference, Probability Distribution, Predictive Analytics, Applied Machine Learning, Correlation Analysis
Intermediate · Course · 1 - 3 Months

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, Agile Software Development, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Spring Framework, Maintainability, Debugging, Java, Software Design Patterns, Technical Design, Unit Testing, User Interface (UI) Design
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Social Sciences, Big Data, Sociology, Demography, Socioeconomics, Anthropology, Economics, Data Analysis, Analytics, Cultural Diversity, World History, Quantitative Research
Mixed · Course · 1 - 4 Weeks