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.

University of Geneva
Skills you'll gain: Biochemistry, Molecular Biology, Cell Biology, Chemistry, Biotechnology, Laboratory Research, Laboratory Techniques, Scientific Visualization, Biology, Specimen Labeling
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: FinTech, Portfolio Management, Consumer Lending, Return On Investment, Lending and Underwriting, Financial Services, Risk Analysis, Investments, Fundraising and Crowdsourcing, Financial Market, Asset Management, Case Studies, Wealth Management
Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Empathy, Critical Thinking, Research, Diversity Awareness, Open Mindset, Emotional Intelligence, Decision Making
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Health Education, Community Health, Education and Training, Advocacy, Family Support, Media and Communications, Working With Children, Curriculum Development, Child Development, Diversity Equity and Inclusion Initiatives, Social Network Analysis
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Program Evaluation, Course Development, Web Content Accessibility Guidelines, Educational Materials, Multimedia, Instructional Design, Learning Theory, Design, Learning Management Systems, Education Software and Technology, Professional Development, Brainstorming, Needs Assessment, Content Creation, Motivational Skills, Diversity Equity and Inclusion Initiatives, User Centered Design, Prototyping, Design Strategies, Creative Thinking
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Child Development, Advocacy, Research, Research Methodologies, Social Sciences, Data Collection, Social Network Analysis, Anthropology, Human Development, Nutrition and Diet, Environmental Issue, Biology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Stakeholder Engagement, Resource Management, Stakeholder Management, Project Schedules, Project Management Institute (PMI) Methodology, Negotiation, Project Management, Leadership and Management, Leadership, Scheduling, Team Leadership, Emotional Intelligence, Communication Planning, Communication
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Statistical Analysis, Molecular Biology, Graph Theory
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Interviewing Skills, Leadership, Business Leadership, Leadership Development, Organizational Leadership, Leadership and Management, Professional Development, Team Building, Recruitment, Team Management, Talent Management, Coaching, Communication
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Semiconductors, Electronic Components, Materials science, Electrical Engineering, Electronics Engineering, Mechanical Engineering, Electronics, Failure Analysis, Thermal Management, Chemical Engineering, Manufacturing Processes, Process Control, Structural Analysis, Chemistry, Engineering Calculations
Intermediate · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Systems, Database Management, NoSQL, Databases, Database Development, SQL, Big Data, Model Evaluation, Apache Hadoop, Database Management Systems, MySQL, Statistical Analysis, Data Visualization, Database Theory, Data Analysis, Exploratory Data Analysis, Transaction Processing, Data Preprocessing
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: GitHub, Unix, Git (Version Control System), Unix Commands, Version Control, Bash (Scripting Language), Ubuntu, Command-Line Interface, Cloud Computing, Shell Script, Linux, Mac OS, Scripting, Scripting Languages, Programming Principles, File Management
Beginner · Course · 1 - 3 Months