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.

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

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: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Security Management, Information Systems Security, Information Assurance, Risk Management, Risk Management Framework, Security Strategy, Security Requirements Analysis, Identity and Access Management, Security Awareness, Information Technology
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Natural Language Processing, Digital Signal Processing, Data Ethics, Tensorflow, Responsible AI, Augmented Reality, Artificial Intelligence, AI Personalization, Music, Multimedia, Music Performance, Deep Learning, Information Privacy, Creativity
Beginner · 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

Skills you'll gain: Slack (Software), Workflow Management, Agile Project Management, Agile Methodology, Scrum (Software Development), Business Process Automation, Scenario Testing, Process Improvement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Reinforcement Learning, Regulatory Compliance, Due Diligence, Artificial Intelligence and Machine Learning (AI/ML), Risk Analysis, Policy Analysis, Policy Development, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Employee Coaching, Strategic Leadership, Succession Planning, Leadership Development, Leadership and Management, Mentorship, Coaching, Professional Development, People Management, Team Management, Decision Making, Performance Management, Organizational Strategy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Prompt Engineering, No-Code Development, User Feedback, Technical Communication, Application Deployment, Performance Tuning, LLM Application, Data Wrangling, Version Control, Business Process Automation, API Testing, DevSecOps, Site Reliability Engineering, Integration Testing, Application Security, Application Programming Interface (API), Agile Methodology, Data Integration, Scalability
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Web Analytics and SEO, Content Management Systems, Search Engine Optimization, Web Design, Retail Management, Order Management, Promotional Strategies, Web Content, E-Commerce, Content Management, Marketing Strategies, Blogs, Online Advertising, Customer Relationship Management (CRM) Software, Business Management, No-Code Development, Dashboard, Email Marketing, Payment Systems
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Management Training And Development, Team Performance Management, Organizational Change, Expectation Management, Performance Management, Key Performance Indicators (KPIs), Accountability, Employee Performance Management, Professional Development, Leadership and Management, Team Management, People Development, Performance Analysis, Performance Measurement, Adaptability, Constructive Feedback, Leadership, Communication
Intermediate · Specialization · 3 - 6 Months

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