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: Canva (Software), Logo Design, Photo Editing, Content Creation, Graphic Design, Color Theory, Creative Design, Image Quality
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Image Analysis, Software Installation, Data Analysis, Analysis, Scientific Methods, User Interface (UI)
Beginner · Guided Project · Less Than 2 Hours
Duke University
Skills you'll gain: Financial Regulation, Capital Markets, Supply And Demand, Financial Analysis, Economics
Intermediate · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Color Theory, Adobe Illustrator, Digital Design, Creativity, Image Quality, Design
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Typography, Web Design and Development, Front-End Web Development, User Interface (UI), Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Credit Risk, Financial Statement Analysis, Risk Modeling, Working Capital, Financial Analysis, Financial Modeling, Portfolio Risk, Lending and Underwriting, Financial Data, Risk Management, Risk Analysis, Bank Regulations, Analysis, Cash Flows, Income Statement, Balance Sheet, Regulatory Compliance, Business Metrics, Financial Statements, Bankruptcies
Beginner · Specialization · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Six Sigma Methodology, Lean Six Sigma, Statistical Hypothesis Testing, Statistical Analysis, Analysis, Statistical Inference, Process Analysis, Correlation Analysis, Data Analysis, Probability & Statistics, Risk Analysis, Regression Analysis, Sample Size Determination, Sampling (Statistics)
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Exploratory Data Analysis, Ggplot2, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Statistical Methods, Data Wrangling, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Data Manipulation, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Governance, Business Leadership, Business Management, Leadership and Management, Strategic Leadership, Resource Management, Business, Organizational Development, Succession Planning, Corporate Strategy, Business Continuity, Business Strategies, Business Valuation, Leadership, Entrepreneurship, Innovation, Systems Thinking
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Oral Expression, Non-Verbal Communication, Learning Theory, Storytelling, Education Software and Technology, Human Learning, Motivational Interviewing, Conflict Management, Interpersonal Communications, Technical Communication, Education and Training, Media and Communications, Driving engagement, Teaching, Persuasive Communication, De-escalation Techniques, Writing, Scientific Methods, Rapport Building, Diversity Awareness
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Growth Mindedness, Positivity, Self-Awareness, Personal Development, Goal Setting, Resilience, Mindfulness, Empowerment, Persistence, Self-Motivation, Action Oriented, Courage, Visionary, Creative Thinking, Creativity, Digital Design, Overcoming Obstacles, Graphical Tools, Emotional Intelligence, Color Theory
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Problem Solving, Computational Thinking, Probability, Mathematical Modeling, Behavioral Economics, Algorithms, Analytical Skills, Theoretical Computer Science
Beginner · Course · 1 - 4 Weeks