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.

Microsoft
Skills you'll gain: Rmarkdown, Version Control, Web Scraping, Regression Analysis, Knitr, Exploratory Data Analysis, Statistical Analysis, Data Manipulation, Dimensionality Reduction, Ggplot2, Geospatial Information and Technology, Time Series Analysis and Forecasting, Plotly, Microsoft Azure, Data Cleansing, Data Visualization, Data Wrangling, Software Documentation, R Programming, Microsoft Copilot
Beginner · Professional Certificate · 3 - 6 Months

SkillUp
Skills you'll gain: Team Motivation, Team Leadership, Team Management, Benchmarking, Performance Measurement, Change Management, Organizational Change, Six Sigma Methodology, Team Building, Cross-Functional Team Leadership, Leadership and Management, Lean Six Sigma, Process Improvement, Business Metrics, Collaboration, Project Management, Organizational Structure, Leadership, Key Performance Indicators (KPIs), Delegation Skills
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Design Reviews, Graphic and Visual Design, Creative Design, Typography, Design Elements And Principles, Peer Review, Infographics, Motion Graphics, Content Creation, Animations, Image Quality, Advertising, Color Theory, Online Advertising
Beginner · Course · 3 - 6 Months

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

Tsinghua University
Skills you'll gain: Blended Learning, Education Software and Technology, Learning Management Systems, Student-Centred Learning, Emerging Technologies, Digital Transformation, Innovation, Virtual Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Adobe Photoshop, Creative Design, Typography, 3D Modeling, Color Theory, Visualization (Computer Graphics), Color Matching, Computer Graphic Techniques
Intermediate · Guided Project · Less Than 2 Hours

Dartmouth College
Skills you'll gain: Music History, Classical Music, Music, Music Theory, Musical Composition, Music Performance, Performing Arts
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: MLOps (Machine Learning Operations), Large Language Modeling, Jupyter, Generative AI, Software Versioning, Data Store, Metadata Management
Intermediate · Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: Grant Writing, Public Speaking, Verbal Communication Skills, Critical Thinking, Communication, Writing, Persuasive Communication
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Social Sciences, Complex Problem Solving, Political Sciences, Policy Analysis, Persuasive Communication, Personal Development, Critical Thinking, Simulations, Mathematical Modeling, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Sustainable Development, Business Transformation, Environmental Social And Corporate Governance (ESG), Systems Thinking, Business Modeling, Waste Minimization, Innovation, Product Lifecycle Management, Case Studies, Resource Utilization, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Risk Management, Risk Management, Planning, Team Management, Project Implementation, Project Planning, Business Risk Management, Project Controls, Team Leadership, Project Management, Leadership and Management, Program Evaluation, Initiative and Leadership, Leadership, Prioritization, Analysis
Intermediate · Course · 1 - 4 Weeks