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.

Corporate Finance Institute
Skills you'll gain: Financial Trading, Financial Market, Market Data, Economics, Capital Markets, Market Dynamics, Financial Policy, Market Trend, Banking, Investment Management, Forecasting
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Organizational Change, Goal Setting, Leadership and Management, Business Management, Change Management, Personal Development, People Management, Organizational Structure, Decision Making, Leadership, Coordination
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Human Capital, Human Resource Strategy, Change Management, Talent Management, Organizational Strategy, HR Tech, Crisis Management, Talent Acquisition, Workforce Development, Team Management, Leadership Development, People Analytics, Leadership, Cultural Sensitivity, Growth Strategies, Diversity and Inclusion
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: GitHub, Version Control, Data Science, Data Transformation, Software Installation, R Programming, Data Analysis, Data Manipulation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Generally Accepted Accounting Principles (GAAP), Financial Reporting, Financial Statements, Revenue Recognition, Financial Accounting, Non-Profit Accounting, Technical Accounting, Balance Sheet, Income Statement, Cash Flows, Expense Management, Mergers & Acquisitions, Accrual Accounting, Standard Accounting Practices, Inventory Accounting, Tax Management, Compliance Reporting, Consolidation, Financial Data, Accounting
Beginner · Specialization · 1 - 3 Months

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

Illinois Tech
Skills you'll gain: Product Lifecycle Management, Global Marketing, Innovation, Market Opportunities, Market Analysis, New Product Development, Technology Strategies, Competitive Analysis, Growth Strategies, Business Strategy, Strategic Thinking, Strategic Decision-Making
Build toward a degree
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Economics, Policy, and Social Studies, Supply And Demand, Market Analysis, Economics, Resource Allocation, Environmental Issue, Public Policies
Beginner · Course · 1 - 4 Weeks

University of Florida
Skills you'll gain: Land Management, Sustainable Development, Water Resource Management, Sustainability Standards, Environment and Resource Management, Environment, Environmental Science, Natural Resource Management, Systems Thinking, Biology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Videography, Photography, Photo/Video Production and Technology, Storyboarding, Image Quality, Color Theory, Aesthetics
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Data Ethics, Exploratory Data Analysis, Data-Driven Decision-Making, Statistical Modeling, Web Scraping, Ggplot2, Data Visualization Software, Predictive Modeling, Tidyverse (R Package), Data Visualization, Data Analysis, Regression Analysis, Responsible AI, Data Transformation, Statistical Methods, R Programming, Data Science, Data Wrangling, Data Cleansing, Version Control
Beginner · Specialization · 1 - 3 Months
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Semiconductors, Electronics Engineering, Electronics, Process Engineering, Manufacturing Processes, Electronic Components, Chemical Engineering, Materials science, Chemistry
Intermediate · Course · 1 - 3 Months