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: Portfolio Management, Risk Analysis, Investment Management, Time Series Analysis and Forecasting, Financial Modeling, Object Oriented Programming (OOP), Simulations, Regression Analysis, Jupyter, Python Programming, Pandas (Python Package), NumPy, Matplotlib, Data Manipulation
Intermediate · Course · 3 - 6 Months

University of California, Davis
Skills you'll gain: Social Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Databases, Social Sciences, Trend Analysis, Data Collection, Simulations, Big Data, Machine Learning, Computational Thinking, Data Visualization Software, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Infographics, Planning, Graphic and Visual Design Software, Design, Design Software, Timelines, Graphic Design, Graphical Tools, Graphic and Visual Design, Collaboration
Beginner · Guided Project · Less Than 2 Hours

Institute for the Future
Skills you'll gain: Organizational Leadership, Visionary, Crisis Management, Forecasting, Resilience, Risk Analysis, Adaptability, Systems Thinking, Strategic Thinking, Innovation, Change Management, Trend Analysis, Social Justice
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Generative AI, Large Language Modeling, Artificial Intelligence, PyTorch (Machine Learning Library), MLOps (Machine Learning Operations), Tensorflow, Information Privacy, Machine Learning, A/B Testing, Deep Learning, Version Control, Performance Tuning, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Verification And Validation, Computational Logic, System Requirements, Data Validation, Functional Requirement, Systems Design, Theoretical Computer Science
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Predictive Modeling, Exploratory Data Analysis, Scikit Learn (Machine Learning Library), Supervised Learning, Applied Machine Learning, Machine Learning, Decision Tree Learning, Deep Learning, Statistical Analysis, Data Analysis, Test Data, Artificial Neural Networks, Data Import/Export, Pandas (Python Package), Python Programming, Software Visualization
Beginner · Guided Project · Less Than 2 Hours
Curtis Institute of Music
Skills you'll gain: Classical Music, Music, Music Theory, Music History, Music Performance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Artificial Neural Networks, Deep Learning, Matplotlib, Linear Algebra, Image Analysis, NumPy, Scientific Visualization, Machine Learning Algorithms, Keras (Neural Network Library), Pandas (Python Package), Seaborn, Artificial Intelligence and Machine Learning (AI/ML), Data Science, Applied Machine Learning, Tensorflow, Data Analysis, Supervised Learning, Python Programming, Artificial Intelligence, Machine Learning
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Billing, Billing & Invoicing, Amazon Web Services, Cost Management, Budget Management, Cost Estimation, Amazon CloudWatch, Public Cloud, Capacity Management, Cost Reduction
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Color Theory, Graphic Design, Graphic and Visual Design, Design, Creative Design, Storytelling, Design Elements And Principles, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Diversity Training, Workplace inclusivity, Talent Recruitment, Diversity Programs, New Hire Orientations, Process Improvement, 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