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: Continuous Delivery, Continuous Deployment, Continuous Integration, Test Driven Development (TDD), Agile Methodology, Test Automation, Unit Testing, Software Development, Software Development Methodologies, Code Review, Debugging, Python Programming, Version Control
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Geospatial Information and Technology, Color Theory, Tree Maps, Data Storytelling, Heat Maps, Data Mapping, Text Mining, Unstructured Data, Network Analysis
Intermediate · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Model Evaluation, AI Enablement, AI Product Strategy, AI Security, Artificial Intelligence, Project Design, Goal Setting, Decision Making, Usability Testing, Needs Assessment, Project Planning, Cost Estimation, Resource Planning, Resource Management, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Deployment, Continuous Integration, Application Deployment, Build Tools, Cloud Deployment, Application Performance Management, Test Automation, Software Development Tools, Containerization, System Monitoring, ASP.NET, Unit Testing, Release Management, Git (Version Control System), Version Control
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Network Analysis, Statistical Modeling, Bayesian Network, R (Software), R Programming, Social Network Analysis, Simulations, Graph Theory, Statistical Analysis, Probability & Statistics, Markov Model, Probability Distribution, Data Visualization, Machine Learning, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Social Sciences, Surveys, Social Determinants Of Health, Scientific Methods, Infectious Diseases, Community Health, Health Systems, Public Health, Health Policy, Governance, Systems Thinking, Health Care Procedure and Regulation
Intermediate · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Systems Thinking, Critical Thinking, Complex Problem Solving, Creative Thinking, Cognitive flexibility, Analytical Skills, Collaboration, Open Mindset, Decision Making
Beginner · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Software Architecture, Systems Design, Technical Management, API Design, Technical Product Management, Engineering Management, Program Management, Microservices, Cross-Functional Collaboration, Team Performance Management, Leadership and Management, Service Oriented Architecture, Amazon Web Services
Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Infrastructure Security, Vulnerability Scanning, Network Security, Amazon Web Services, Firewall, Virtual Networking, Virtual Private Networks (VPN), Security Controls, Cloud Security, AWS Identity and Access Management (IAM), Distributed Denial-Of-Service (DDoS) Attacks, Load Balancing
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Learning Theory, Human Learning, Motivational Interviewing, Education and Training, Teaching, Scientific Methods, Science and Research, Research Methodologies, Critical Thinking, Communication, Cognitive flexibility, Psychology
Beginner · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Data Visualization, Rmarkdown, Exploratory Data Analysis, Data Visualization Software, Ggplot2, Interactive Data Visualization, Plot (Graphics), Statistical Visualization, R (Software), R Programming, Data Storytelling, Histogram, Scatter Plots, Data Analysis, Tidyverse (R Package), Data Manipulation
Build toward a degree
Intermediate · Course · 1 - 3 Months