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.

Coursera
Skills you'll gain: Bookkeeping, Accounting Records, Ledgers (Accounting), General Ledger, Financial Reporting, Balance Sheet, Record Keeping, Income Statement, Financial Statements
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, TCP/IP, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Network Administration, Virtual Local Area Network (VLAN), Virtualization, Wireless Networks, Virtual Private Networks (VPN), Network Monitoring, Computer Networking, Firewall, Network Troubleshooting, Network Architecture
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Vibrations, Test Engineering, Product Testing, Performance Testing, Human Factors, Engineering Analysis, Digital Signal Processing, Laboratory Testing, Scientific Visualization, Data Integration, Root Cause Analysis
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Learning Strategies, Learning Theory, Human Learning, Quick Learning, Self-Motivation, Lifelong Learning, Literacy, Mental Concentration, Willingness To Learn, Cognitive flexibility, Critical Thinking, Productivity, Personal Development, Self-Awareness, Growth Mindedness, Goal Setting
Mixed · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: AI Security, Vulnerability Scanning, Hardening, DevSecOps, Vulnerability Assessments, Responsible AI, Identity and Access Management, MLOps (Machine Learning Operations), Infrastructure Security, Security Controls, Threat Modeling, Model Deployment, Model Evaluation, CI/CD, Continuous Monitoring, AI Personalization, Resilience, Compliance Management, Containerization, Engineering
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Performance Tuning, .NET Framework, C# (Programming Language), System Programming, Application Performance Management, C (Programming Language), Debugging, Data Structures, Object Oriented Programming (OOP), Software Engineering, Interoperability
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Typography, Design, Graphic Design, Graphic and Visual Design Software, Layout Design, Design Elements And Principles, Color Theory
Beginner · Course · 1 - 4 Weeks
University of Minnesota
Skills you'll gain: User Interface (UI) Design, Usability, Human Computer Interaction, User Experience Design, Design, Design Thinking, UI/UX Research, Design Strategies, Design Research, User Research
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Ethics, Responsible AI, Workforce Planning, Human Resource Strategy, Employee Engagement, AI Enablement, Regulatory Compliance, People Analytics, Compliance Management, Human Resource Policies, Recruitment Strategies, ChatGPT, Employee Retention, Recruitment, Governance, Ethical Standards And Conduct, Dashboard
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Linux Servers, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Calculus, Engineering Calculations, Mathematical Theory & Analysis, Algebra, Advanced Mathematics, Applied Mathematics, Derivatives
Mixed · Course · 1 - 4 Weeks

Nanyang Technological University, Singapore
Skills you'll gain: Growth Mindedness, Motivational Skills, Learning Strategies, Interactive Learning, Student Engagement, Self-Motivation, Learning Theory, Needs Assessment, Instructional Strategies, Learning Styles, Behavior Management
Beginner · Course · 1 - 4 Weeks