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: Git (Version Control System), GitHub, Version Control, Open Source Technology, Collaborative Software, Unix Commands, Microsoft Visual Studio, Continuous Integration, Linux, Mac OS, Web Development Tools, File Management, Shell Script, Command-Line Interface, Code Review, Data Integrity, Application Deployment, React.js, Hypertext Markup Language (HTML), Technical Communication
Beginner · Specialization · 3 - 6 Months

Radio y Televisión Española
Skills you'll gain: digital literacy, Research, Investigation, Social Network Analysis, Trend Analysis, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Computer Vision, NumPy, Matplotlib, Convolutional Neural Networks, Deep Learning, Pandas (Python Package), Image Analysis, Python Programming, Artificial Neural Networks, Data Manipulation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unix, Unix Commands, Network Protocols, Network Troubleshooting, TCP/IP, OS Process Management, File Management, General Networking, File Transfer Protocol (FTP), Network Administration, Linux, Operating Systems, Network Security
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Plotly, Statistical Visualization, Interactive Data Visualization, Matplotlib, Data Visualization Software, Network Analysis, Seaborn, Data-Driven Decision-Making, Data Mining, Scatter Plots, R Programming, Graph Theory, Data Science, Time Series Analysis and Forecasting
Build toward a degree
Mixed · Course · 1 - 3 Months

S.P. Jain Institute of Management and Research
Skills you'll gain: Employee Retention, Workplace inclusivity, Employee Engagement, Organizational Leadership, Talent Management, Leadership and Management, Human Resource Strategy, Workforce Development, Team Motivation, Leadership, Motivational Skills, Employee Onboarding, Diversity and Inclusion, Mentorship, Employee Surveys, Coaching, Performance Metric
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prometheus (Software), Google Cloud Platform, Application Deployment, Managed Services, Kubernetes, Capacity Management, Cloud Management
Beginner · Project · Less Than 2 Hours

University of Lausanne
Skills you'll gain: Health Policy, Geographic Information Systems, Public Health, Case Studies, Health Systems, Spatial Analysis, Systems Thinking, Social Determinants Of Health, Sustainable Development, Environmental Issue, Data Management, Emerging Technologies
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Apache Maven, Build Tools, CI/CD, Software Configuration Management, Version Control, Java, Software Versioning, Configuration Management, Package and Software Management, Mac OS, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphics, Visualization (Computer Graphics), Animations, Graphical Tools, Creative Design, Color Theory
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), Version Control, Data Analysis, Big Data, R Programming, General Science and Research, Git (Version Control System), Data Quality, Data Management, Technical Communication
Mixed · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Video Editing, Collaborative Software, Post-Production, Cinematography, Color Theory, Image Quality, Editing, File Management
Beginner · Course · 1 - 3 Months