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: Crisis Management, Delegation Skills, Resilience, Dealing With Ambiguity, Leadership and Management, Leadership, Team Leadership, Empathy, Decision Making, Emotional Intelligence, Adaptability, Business Communication, Prioritization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Occupational Safety and Health Administration (OSHA), Occupational Safety And Health, Internal Auditing, Safety Training, Emergency Response, Safety Culture, Occupational Health, Safety Audits, Safety Standards, Risk Control, Risk Management, Hazard Communication (HazCom), Regulatory Compliance, Continuous Quality Improvement (CQI), Organizational Development, Record Keeping
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Governance, General Data Protection Regulation (GDPR), Data Management, Data Strategy, Metadata Management, Data Architecture, Compliance Management, Data Storage Technologies, Data Integration, Cost Reduction, Data Maintenance, Data Processing, Information Privacy, Data Storage, MLOps (Machine Learning Operations), Data Quality, AI Enablement, Analytics, Extract, Transform, Load, Expense Management
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Stress Management, Growth Mindedness, Open Mindset, Willingness To Learn, Self-Awareness, Lifelong Learning, Resilience, Personal Development, Self-Motivation, Mental Health, Science and Research, Physiology, Research, Psychology, Cognitive flexibility, Goal Setting
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Technical Communication, LLM Application, Debugging, Anomaly Detection, Root Cause Analysis, Pandas (Python Package), Business Metrics, Data Analysis Expressions (DAX), Data Analysis, Analysis, Data Processing, Data Manipulation, Performance Metric, Generative AI, Customer Retention, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Leadership, Negotiation, Organizational Leadership, Teamwork, Leadership Development, Leadership and Management, Team Management, Team Building, People Development, Collaboration, Professional Development, Employee Coaching, Personal Development, Emotional Intelligence, Decision Making, Goal Setting
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Sales Presentations, Closing (Sales), Negotiation, Data Visualization, Sales Training, Contract Negotiation, Price Negotiation, B2B Sales, Influencing, Persuasive Communication, Storytelling, Behavioral Economics, Overcoming Objections, Value Propositions, Communication Strategies
Intermediate · 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

The Pennsylvania State University
Skills you'll gain: Nutrition and Diet, Sustainability Standards, Manufacturing and Production, Market Dynamics, Water Resource Management, Business Economics, Biotechnology, Production Management, Environmental Management Systems, Climate Change Mitigation
Mixed · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Systems, Relational Databases, Database Management, Database Theory, Databases, SQL, Database Design, Database Management Systems, Database Architecture and Administration, Data Access, Query Languages, Data Modeling, Data Manipulation, User Accounts
Build toward a degree
Beginner · Course · 1 - 4 Weeks
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

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