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.

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Test Case, Test Data, Test Automation, Test Execution Engine, Software Testing
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Test Tools, Acceptance Testing, Software Testing, Test Automation, Test Planning, Software Quality Assurance, Generative AI, Test Data, Scenario Testing, Test Case, Requirements Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PostgreSQL, Relational Databases, SQL, Database Management Systems, Node.JS, Database Management, Data Import/Export, Data Processing, Extract, Transform, Load
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, JUnit, Integration Testing, Restful API, Test Driven Development (TDD), Software Testing, Java Programming, Hibernate (Java)
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Interactive Learning, Student Engagement, Algorithms, Diversity Awareness, Pedagogy, Facebook, Mathematics Education, Instructional Strategies, Programming Principles, Teaching, Data Storage, Education and Training, Software Engineering, Geographic Information Systems, Lesson Planning, Computer Science, Theoretical Computer Science, Computational Thinking, Social Network Analysis, User Experience
Beginner · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Integration, SQL Server Integration Services (SSIS), Data Cleansing, Data Pipelines, Data Quality, Data Migration, Data Mapping, Database Management, Data Transformation, File Management, Data Manipulation, Data Processing, Metadata Management, JSON, Extensible Markup Language (XML), Debugging
Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Machine Controls, Automation Engineering, Robotic Process Automation, Mathematical Modeling, Mechanics, Control Systems, Mechanical Engineering, Engineering, Simulation and Simulation Software, Engineering Analysis, Applied Mathematics, Calculus
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Project Management, Sustainable Engineering, Product Management, Product Development, Engineering Design Process, Risk Management, Design and Product, Product Design, Manufacturing and Production, Verification And Validation, Manufacturing Processes, Internet Of Things, Design Software, Time Management, Engineering, Cross-Functional Collaboration, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Communication
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, Security Testing, Test Tools, CI/CD, Regression Testing, Functional Testing, Scalability, Automation, Test Case, Application Programming Interface (API), Scripting, Secure Coding
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Web Development, Continuous Integration, Java, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Authentications, FinTech, Distributed Computing, Transaction Processing, Emerging Technologies, Data Structures, Data Integrity, Algorithms, Verification And Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Metadata Management, Data Pipelines, Data Processing, Google Cloud Platform, Data Migration, Cloud Storage, Apache Airflow, Data Lakes, Data Storage, Big Data, Data Infrastructure, Extract, Transform, Load, Apache Spark, IT Automation, Data Management, Data Transformation, Serverless Computing, SQL
Beginner · Course · 1 - 3 Months