Functional analysis courses can help you learn about normed spaces, Banach and Hilbert spaces, and linear operators. You can build skills in understanding convergence, continuity, and spectral theory, which are vital for various applications. Many courses introduce tools like MATLAB or Python for numerical analysis and simulations, allowing you to apply theoretical concepts to real-world problems in physics, engineering, and economics.

Skills you'll gain: Customer Insights, Customer Analysis, User Feedback, Customer experience strategy (CX), Customer experience improvement, Customer Service, Market Research, Branding, Advertising, Public Relations
★ 4.7 (14) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Equities, Capital Markets, Investment Banking, Business Valuation, Financial Modeling, Securities (Finance), Global Marketing, Market Share, Financial Reporting, Financial Forecasting, Financial Statement Analysis, Accounting, Financial Analysis, Market Dynamics, Forecasting, Financial Statements, International Finance, Financial Regulations, Cash Flows, Underwriting
★ 4.8 (18) · Mixed · Course · 1 - 3 Months

National Academy of Sports Medicine
Skills you'll gain: Exercise Science, Nutrition Education, Physiology, Sports Medicine, Decision Making, Nutrition and Diet, Preventative Care, Nutritional Assessment, Pharmacology, Contraindication
★ 4.8 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL Server Reporting Services, Database Design, Microsoft Access, Microsoft Excel, Business Intelligence, Pivot Tables And Charts, Business Intelligence Software, Database Systems, Dashboard, Business Reporting, Databases, Compensation Analysis, Relational Databases, Dashboard Creation, Spreadsheet Software, Data Integrity, Data Validation, Data Visualization, Analytics, Business
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Python Programming, Programming Principles, Computational Logic, Jupyter, Development Environment
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Dashboard, Datamaps, Data Visualization, Dashboard Creation, Microsoft Excel, Data Visualization Software, Pivot Tables And Charts, Geospatial Information and Technology, Spreadsheet Software, Geospatial Mapping, Data Analysis, Productivity Software, Microsoft 365
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, MySQL Workbench, SQL, Database Software, Data Manipulation, Query Languages, Data Access
Intermediate · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Authorization (Computing), Authentications, Data Validation, Encryption, Security Software, Security Controls, Data Security, Vulnerability Scanning, Endpoint Security, Role-Based Access Control (RBAC), Intrusion Detection and Prevention, Security Awareness, Cybersecurity, Configuration Management, Package and Software Management, Web Applications, Web Development Tools
★ 4.5 (25) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Digital Forensics, Risk Management, Risk Management Framework, Incident Response, Threat Management, Risk Analysis, Business Risk Management, Cyber Attacks, Cyber Security Policies, Security Management, Secure Coding, Computer Security Incident Management, Cyber Security Assessment, Application Security, ISO/IEC 27001, Law, Regulation, and Compliance, Data Security, Malware Protection, Incident Management, Penetration Testing
★ 4.3 (8) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Web Scraping, R (Software), Relational Databases, Statistical Software, Data Import/Export, R Programming, Databases, Microsoft Excel
★ 4.6 (19) · Intermediate · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: AI Personalization, Data Ethics, Prompt Engineering Tools, Generative AI, Responsible AI, AI powered creativity, Email Marketing, Google Gemini, Digital Marketing, Digital Marketing Tools, Email Automation, Marketing Automation, Digital Marketing Campaigns, Content Strategy, Content Creation, Personalized Service, ChatGPT, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Microsoft Copilot
Beginner · Course · 1 - 3 Months

Skills you'll gain: Enterprise Sales, Consultative Selling, B2B Sales, Selling Techniques, Stakeholder Engagement, Consultative Approaches, Prospecting and Qualification, Sales Process, Stakeholder Management, Specialized Sales, Sales, Stakeholder Analysis, Sales Strategy, Sales Pipelines, Influencing
Beginner · Course · 1 - 4 Weeks