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.

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Business Intelligence, Data Warehousing, Big Data, Databases, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, Cloud API, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation, Data Management
★ 4.7 (59) · Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Selenium (Software), Test Tools, Debugging, Software Testing, Unit Testing, Test Automation, Browser Compatibility, Web Applications, Test Script Development, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Test Case, Web Development Tools, Development Environment, Software Architecture, Python Programming, Software Installation, Package and Software Management
★ 3.3 (42) · Beginner · Course · 1 - 4 Weeks

Novartis
Skills you'll gain: Pre-Clinical Development, Patient Safety, Pharmacology, Drug Development, Clinical Research, Clinical Trials, Pharmaceuticals, Risk Management, Risk Analysis
★ 4.9 (34) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Engineering, Control Systems, Electronics Engineering, Simulation and Simulation Software, Simulations, Mathematical Modeling, Electrical Power, Engineering Analysis, Verification And Validation, Systems Analysis
★ 4.7 (89) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Image Analysis, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Microsoft Azure, AI literacy, Model Training, Applied Machine Learning, Data Capture, Model Deployment, Classification Algorithms, Application Development
★ 4.6 (132) · Beginner · Course · 1 - 4 Weeks

Exploratorium
Skills you'll gain: Developing Training Materials, Course Development, Creativity, Design Strategies, Education Software and Technology, Basic Electrical Systems, Electronic Components, Design, Computational Thinking, Creative Design, Aesthetics
★ 4.7 (48) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Load Balancing, ASP.NET, Test Driven Development (TDD), Debugging, C# (Programming Language), Software Testing, Scalability, Performance Testing, Restful API, Unit Testing, Web Development, Microservices, .NET Framework, Object-Relational Mapping, Software Architecture, Web Applications, Test Engineering, Object Oriented Design, Cloud Deployment, Distributed Computing
★ 4.7 (244) · Intermediate · Specialization · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Ethical Standards And Conduct, Research, Psychology, Psychological Evaluations, Software Testing
★ 4.5 (374) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Service Level, Software Engineering, Software Systems, Software Architecture, Distributed Computing, Data Architecture, Microservices, Software Development, Transaction Processing, Test Driven Development (TDD), Blockchain, Big Data, Data Structures, System Monitoring, Software Testing, Databases
★ 3.5 (92) · Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Systems Engineering, Requirements Analysis, Test Engineering, Systems Thinking, Systems Architecture, Test Planning, Systems Design, Aerospace Basic Quality System Standards, Systems Analysis, Systems Development, Risk Management Framework, Requirements Elicitation, System Testing, System Requirements, Acceptance Testing, Development Testing, Verification And Validation, Failure Analysis
★ 4.8 (96) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Kotlin, Android Studio, Android Development, Unit Testing, Object Oriented Programming (OOP), Test Driven Development (TDD), Development Testing, Software Testing, Mobile Development, Application Development, Functional Design, Programming Principles
★ 4.6 (128) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
★ 4 (58) · Beginner · Specialization · 3 - 6 Months