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: Regression Analysis, Risk Analysis, Portfolio Management, Financial Modeling, Statistical Analysis, Data Visualization, Investment Management, Investments, Simulations, Financial Market, Python Programming, Matplotlib, Pandas (Python Package), Jupyter, NumPy, Data Manipulation
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Strategic Leadership, Business Leadership, Change Management, Organizational Change, Leadership, Motivational Skills, Organizational Leadership, Accountability, Visionary, Leadership Development, Workplace inclusivity, Decision Making, Communication, Team Building, AI Enablement, Team Leadership, Leadership and Management, Culture Transformation, Diversity and Inclusion, Cross-Functional Team Leadership
Beginner · Specialization · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Workplace inclusivity, Talent Recruitment, Cultural Diversity, New Hire Orientations, Diversity Marketing, Process Development, Relationship Building, Human Resources, Brand Awareness, Talent Management, Consultative Approaches, Customer experience strategy (CX), Collaboration, Personalized Service, Teamwork, Leadership and Management, Time Management, Decision Making, Communication, Critical Thinking
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: SQL, Query Languages, Relational Databases, Database Management, Databases, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

28DIGITAL
Skills you'll gain: Personally Identifiable Information, Information Privacy, Law, Regulation, and Compliance, Data Ethics, International Relations, Cybersecurity, World History, European History, Research, Political Sciences
Beginner · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: SQL, Database Management, Relational Databases, Database Systems, Database Design, Database Theory, Data Manipulation, Query Languages, Data Analysis
Beginner · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Musical Composition, Music, Instrumental Music, Music Performance
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Color Matching, Video Production, Cinematography, Photography, Video Editing, Collaborative Software, Post-Production, Image Quality, Videography, Color Theory, Editing, File Management
Beginner · Specialization · 3 - 6 Months

Saïd Business School, University of Oxford
Skills you'll gain: Sustainable Business, Sustainable Development, Environmental Social And Corporate Governance (ESG), Corporate Sustainability, Social Impact, Finance, Stakeholder Engagement, Financial Services, Case Studies, Corporate Strategy, Investments, Loans, Risk Management
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: C (Programming Language), Embedded Systems, Data Structures, System Programming, Algorithms, Computer Programming, Linux, Computer Programming Tools, Debugging
Beginner · Course · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, Responsible AI, Application Deployment, Amazon Elastic Compute Cloud, Unit Testing, Amazon Web Services, Version Control, Generative AI, LLM Application, AI Enablement, Test Case, DevOps, Retrieval-Augmented Generation, CI/CD, Artificial Intelligence, Software Configuration Management, Application Lifecycle Management
Beginner · Course · 1 - 4 Weeks

ESADE Business and Law School
Skills you'll gain: Succession Planning, Business Management, Systems Thinking, Governance, Relationship Management, Business Systems, Organizational Development, Risk Analysis, Communication, Leadership, Business Modeling, Industrial and Organizational Psychology, Business Analysis, Human Resources, Case Studies, Decision Making
Beginner · Course · 1 - 3 Months