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.

University of London
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Computer Programming, Test Data, Data Validation, Algorithms, Verification And Validation, Statistical Programming, Development Testing, Data Structures
★ 4.6 (34) · Intermediate · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Server Side, Node.JS, Back-End Web Development, Restful API, Web Development, MongoDB, Application Deployment, OAuth, Web Servers, Application Programming Interface (API), API Design, Web Applications, Cloud Deployment, Authentications, Object-Relational Mapping, NoSQL, Data Persistence, Software Testing, Routing Protocols
★ 4.1 (113) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), Embedded Software, Agile Software Development, Embedded Systems, Software Testing, Development Testing, Software Development Methodologies, Agile Project Management, Git (Version Control System), Docker (Software), Containerization, Linux, System Programming, Electrical and Computer Engineering, Application Deployment, Operating Systems, File Systems, Internet Of Things, Build Tools
★ 4.7 (20) · Advanced · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Object Oriented Design, Java Programming, Object Oriented Programming (OOP), Java, Unit Testing, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Application Development, Authentications, Code Reusability, Android Development, Application Design, Debugging, Performance Tuning
★ 4.6 (84) · Beginner · Specialization · 1 - 3 Months

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
★ 3.9 (104) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Warehousing, Data Architecture, Data Store, Data Infrastructure, Data Storage, Extract, Transform, Load, Database Architecture and Administration, Data Integration, Cloud Storage, Data Mart, Data Storage Technologies, Database Design, Operational Data Store, Database Systems, Query Languages, Metadata Management, Data Transformation
★ 3.8 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, Application Development, API Testing, Java Programming, Web Development, Program Development, Application Frameworks, Software Testing, Test Case, Secure Coding, Development Environment, Model View Controller, Software Development Tools, UI Components, Data Access, Authentications, SQL, Object Oriented Programming (OOP), Data Persistence, User Interface (UI)
★ 4.7 (18) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Power BI, Microsoft Azure, Data Lakes, Data Analysis Expressions (DAX), Azure Synapse Analytics, Microsoft Power Platform, Data Modeling, Data Governance, Data Warehousing, Analytics, Extract, Transform, Load, Data Integration, Data Import/Export, Real Time Data, Dataflow, Data Transformation, Data Management, Data Architecture, Data Pipelines, SQL
★ 3.1 (17) · Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Generative AI Agents, LLM Application, AI Workflows, AI Orchestration, Agentic Workflows, GitHub Copilot, AI Enablement, AI Security, Prompt Engineering, Code Review, Prompt Patterns, Software Development, Web Applications, Software Testing, Security Testing, Software Engineering, Web Development
★ 4.4 (9) · Intermediate · Course · 1 - 4 Weeks

Institute for the Future
Skills you'll gain: Community Organizing, Contingency Planning, Organizational Leadership, Visionary, Crisis Management, Forecasting, Resilience, Risk Management, Climate Change Adaptation, Risk Analysis, Organizational Change, Proactivity, Culture Transformation, Adaptability, Systems Thinking, Social Impact, Dealing With Ambiguity, Action Oriented, Social Determinants Of Health, Strategic Thinking
★ 4.8 (55) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Script Development, Test Case, Selenium (Software), Software Testing, Test Tools, Maintainability, Code Reusability, Test Data, Debugging, Configuration Management
★ 4.5 (160) · Advanced · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Responsible AI, LLM Application, Large Language Modeling, Google Cloud Platform, Model Training, MLOps (Machine Learning Operations), Fine-tuning, Model Evaluation, Version Control, Supervised Learning
★ 3.9 (36) · Beginner · Project · Less Than 2 Hours