Pre-calculus courses can help you learn functions, trigonometry, complex numbers, and polynomial equations. You can build skills in graphing functions, solving equations, and understanding limits, which are crucial for calculus and other advanced math topics. Many courses introduce tools like graphing calculators and software for visualizing functions, which enhance your ability to analyze mathematical concepts and apply them in various fields such as engineering, physics, and computer science.

Universidad Nacional Autónoma de México
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Business Intelligence, Data Mining, Big Data, Predictive Analytics, Analytics, Data Modeling, MySQL, Apache Hadoop, Data Integration, Star Schema, Unstructured Data, Database Design, Data Processing, SQL, Classification Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Google Cloud Platform, Real Time Data, Dataflow, Data Lakes, Dashboard Creation, Data Governance, Data Pipelines, Data Import/Export, PySpark, Data Management, Tensorflow, Metadata Management, Apache Spark, Dashboard, Data Warehousing, Big Data, Extract, Transform, Load, Unstructured Data, Data Architecture
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, UI/UX Research, UI/UX Strategy, Persona (User Experience), Usability Testing, User Centered Design, User Interface (UI) Design, Embedded Systems, Unified Modeling Language
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Usability Testing, Web Development, Software Testing, Test Tools, Front-End Web Development, Functional Testing, Test Automation, Continuous Monitoring, Development Testing, Computer Programming Tools, JavaScript Frameworks, WordPress
Intermediate · Course · 1 - 3 Months

Fudan University
Skills you'll gain: Video Editing, Video Production, Storytelling, Videography, Cinematography, Photography, Photo/Video Production and Technology, Post-Production, Editing, Storyboarding, Media Production, Visual Storytelling, Writing and Editing, Writing, Performing Arts, Aesthetics, Creativity, Coordination, Content Creation
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, Unit Testing, Development Testing, HTML and CSS, Web Development, Software Testing, Cascading Style Sheets (CSS), Web Development Tools, Web Applications, Front-End Web Development, JavaScript Frameworks, Hypertext Markup Language (HTML), Development Environment, UI Components, Application Frameworks, Application Development, Javascript, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Cloud Deployment, Microsoft Azure, Cloud Management, Application Deployment, Cloud Computing, Cloud Development, Windows PowerShell, Cloud Services, Infrastructure As A Service (IaaS), Platform As A Service (PaaS), Resource Management, Command-Line Interface, IT Automation, Scripting, Software Installation, Verification And Validation
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Security Controls, Malware Protection, Network Security, Security Testing, Threat Detection, Firewall, Digital Forensics, Anomaly Detection, Code Review, Routing Protocols, Network Routing, Proxy Servers, Linux, Internet Of Things
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction Engineering, Civil Engineering, Structural Analysis, Building Codes, Building Services Engineering, Electrical Systems, Public Works, Electric Power Systems, Transportation Operations, Building Information Modeling, Construction Management, Structural Engineering, Construction, Traffic Flow Optimization, Engineering Analysis, Simulation and Simulation Software, Drafting and Engineering Design, Contract Management, Engineering Practices, Laboratory Testing
Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Model Context Protocol, Token Optimization, AI Workflows, Generative AI Agents, Agentic Workflows, AI Orchestration, Agentic systems, Tool Calling, Context Engineering, Artificial Intelligence and Machine Learning (AI/ML), AI Security, AI Enablement, Prompt Patterns, Prompt Engineering, ChatGPT, AI Personalization, AI Product Strategy, Anthropic Claude, Multimodal Prompts, Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Unit Testing, Server Side, Javascript, Debugging, Back-End Web Development, File Systems, File I/O, Test Script Development, Software Testing, Development Testing, Web Applications, Event-Driven Programming, Code Reusability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Virtual Machines, Cloud Infrastructure, Scalability, Verification And Validation, Cloud Deployment, Application Deployment
Intermediate · Guided Project · Less Than 2 Hours