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.

Johns Hopkins University
Skills you'll gain: Responsible AI, Social Media Analytics, Social Network Analysis, Data Ethics, Driving engagement, Social Impact, Behavioral Economics, Network Analysis, Game Design, Digital Analysis, AI literacy, Social Sciences, Systems Thinking, Research, Psychology
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computational Logic, Logical Reasoning, Deductive Reasoning, Theoretical Computer Science, Analytical Skills, Programming Principles, Computer Science, Data Analysis, Computer Programming, Algorithms, Verification And Validation, Software Development, Machine Learning
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Star Schema, Snowflake Schema, Data Warehousing, CI/CD, Database Design, Continuous Integration, Transact-SQL, Data Pipelines, Extract, Transform, Load, Data Architecture, Data Modeling, DevOps, Data Transformation, Data Integration, Dataflow, Git (Version Control System), Performance Tuning
Intermediate · Course · 1 - 3 Months
Coursera
Skills you'll gain: AI Security, USB, Threat Modeling, Hardware Design, Model Deployment, Electronic Hardware, CI/CD, Security Engineering, Electronics, Electronic Systems, Routing Protocols, Electronics Engineering, Electrical Engineering, Electronic Components, Schematic Diagrams, Drafting and Engineering Design, Digital Communications, Verification And Validation, Differential Equations, Business Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), File I/O, Object Oriented Programming (OOP), Test Automation, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Scripting, Python Programming, Automation, Development Environment, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Continuous Integration, CI/CD, Selenium (Software), Test Script Development, OAuth, Software Testing, Development Environment, Application Programming Interface (API), Test Case, Test Tools, Web Development Tools, Git (Version Control System), Restful API, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Real-Time Operating Systems, Embedded Software, Software Architecture, Code Reusability, Embedded Systems, Memory Management, Systems Architecture, Software Design, Software Design Patterns, Performance Tuning, Safety Assurance, Software Testing, Secure Coding, Scalability, Data Sharing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Restful API, Application Programming Interface (API), Test Automation, Postman API Platform, Data Mapping, Application Deployment, Test Tools, Scripting, Cloud Deployment, Salesforce, Robotic Process Automation, Business Process Automation, Software Testing, Data Integration, API Testing, Simple Object Access Protocol (SOAP), Architectural Design, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Unit Testing, JUnit, Integration Testing, Restful API, Software Testing, Test Tools, Web Services, Java Programming, Hibernate (Java), Verification And Validation, Business Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cold Calling, Sales Prospecting, Overcoming Objections, Phone Sales, Prospecting and Qualification, Outbound Calls, Booking (Sales), Selling Techniques, Sales, Telephone Skills, Sales Strategy, Setting Appointments, Sales Pipelines, Rapport Building, Relationship Building, Active Listening
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Google Cloud Platform, Real Time Data, Data Transformation, Data Processing, Extract, Transform, Load, Analytics, Data Storage
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Development Environment, Test Tools, Unit Testing, Virtual Machines, Software Testing, Software Development Tools, Node.JS, Data Storage, Debugging, Software Configuration Management, Application Deployment, Cryptographic Protocols, Event-Driven Programming, Transaction Processing
Advanced · Course · 1 - 3 Months