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.

Advancing Women in Tech
Skills you'll gain: Software Architecture, Engineering Management, Goal Setting, Systems Design, Technical Management, Smart Goals, API Design, Technical Product Management, Cross-Functional Collaboration, Recruitment, Program Management, Team Performance Management, Technical Communication, Management Training And Development, Software Engineering, Microservices, Employee Coaching, Talent Management, Leadership and Management, Talent Acquisition
Beginner · Specialization · 1 - 3 Months

Northeastern University
Skills you'll gain: Database Design, Database Systems, Database Theory, MongoDB, Database Development, Database Management Systems, Databases, Data Modeling, Database Architecture and Administration, NoSQL, Relational Databases, Unified Modeling Language, SQL, Data Integrity, Data Management, Performance Tuning, Software Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, Agile Software Development, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Spring Framework, Maintainability, Debugging, Java, Software Design Patterns, Technical Design, Unit Testing, User Interface (UI) Design
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Human Capital, Human Resource Strategy, Human Resources, Change Management, Human Resources Management and Planning, Talent Management, Labor Relations, HR Tech, Organizational Strategy, Crisis Management, Intercultural Competence, Cultural Diversity, People Management, Talent Acquisition, Industrial and Organizational Psychology, Workforce Development, Diversity and Inclusion, People Analytics, Leadership, Communication
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Applied Mathematics, Graphing, Numerical Analysis, Python Programming, Advanced Mathematics, Mathematical Software, Mathematical Modeling, Derivatives, Programming Principles
Intermediate · Course · 1 - 3 Months
Rice University
Skills you'll gain: Theoretical Computer Science, Computer Science, Computer Programming, Computational Thinking, Programming Principles, Debugging, Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Conflict Management, Diversity Equity and Inclusion Initiatives, Team Leadership, Workplace inclusivity, Stress Management, Organizational Leadership, Diversity and Inclusion, Mental Health, People Management, Rapport Building, Leadership, Leadership and Management, Occupational Safety And Health, Personal Development, Employee Performance Management, Emotional Intelligence, Employee Engagement, Empathy, Resilience, Communication
Beginner · Specialization · 3 - 6 Months

École Polytechnique
Skills you'll gain: Probability, Simulations, Advanced Mathematics, Probability & Statistics, Probability Distribution, Statistical Methods, Mathematical Theory & Analysis, Sampling (Statistics), Mathematical Modeling, Statistical Inference, Calculus
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Research Design, Statistical Analysis, Data Ethics, Statistical Modeling, Data Science, Data Analysis, Quantitative Research, Regression Analysis, Probability & Statistics, Linear Algebra, Calculus
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Support, Technical Support and Services, Hardware Troubleshooting, Cloud Computing, Desktop Support, Cloud Services, Cybersecurity, System Support, End User Training and Support, Cloud Storage, Network Troubleshooting, Cloud Security, Computer Hardware, Customer Service, General Networking, Data Storage, Issue Tracking, Operating Systems
Intermediate · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Hospice, Parent Communication, Family Support, Caregiving, Patient Education and Support, Pain Management, Pediatrics, Patient Advocacy, Nursing and Patient Care, Patient-centered Care, Medical Social Work, Working With Children, Family Therapy, Psychosocial Assessments, Child Health, Patient Communication, Child Development, Social Work, Clinical Assessment, Stress Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Storytelling, Color Theory, Data Sharing, Organizational Skills, Graphic and Visual Design, Graphic Design, Design, Creative Design, Dashboard, User Accounts, Marketing
Intermediate · Guided Project · Less Than 2 Hours