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: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Plot (Graphics), Pandas (Python Package), Scripting, DevOps, Data Persistence, Programming Principles, Python Programming, Scripting Languages, Data Structures, Object Oriented Design, Computer Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Unit Testing, Apple Xcode, Development Testing, Authorization (Computing), Test Case, Mobile Development, Software Testing, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Application Development, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Postman API Platform, OAuth, Application Programming Interface (API), Performance Testing, Security Testing, Software Testing, Test Tools, Authentications, Scenario Testing
Beginner · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Selenium (Software), Software Testing, Security Testing, Test Automation, Performance Testing, Functional Testing, Test Script Development, Mobile Development Tools, Test Tools, Performance Stress Testing, Test Planning, Application Security
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Testing, Software Technical Review, Software Quality Assurance, Verification And Validation, Human Factors
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Extract, Transform, Load, Data Modeling, Clinical Data Management, Database Design, Data Mapping, Data Dictionary, Data Quality, Data Transformation, Data Integrity, Data Validation, Data Integration, Health Informatics, Relational Databases, SQL, Query Languages
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Technical Documentation, Technical Writing
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Process Validation, Verification And Validation, Laboratory Testing, Environmental Science, Research, Hazard Analysis, Safety Assurance, Scientific Methods, Biostatistics, Bioinformatics, Research Methodologies, Environmental Regulations, Research Design, Epidemiology, Risk Analysis, Data Synthesis
Beginner · Course · 1 - 3 Months

Skills you'll gain: API Testing, JSON, Test Automation, Test Script Development, Application Programming Interface (API), Restful API, Software Testing, Test Tools, Integration Testing, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Advanced Mathematics, Simulations, Mechanics, Integral Calculus, Mathematical Modeling, Calculus, Probability, Differential Equations, Probability & Statistics, Physical Science, Statistical Methods
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Mechanics, Mechanical Engineering, Torque (Physics), Engineering, Engineering Analysis, Engineering Calculations, Physics, Differential Equations, Mathematical Modeling, Applied Mathematics, Calculus, Integral Calculus
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Security, Data Migration, Data Governance, Extract, Transform, Load, Cloud Storage, Data Architecture, Data Management, Data Integration, Data Storage, Enterprise Architecture, Data Quality, Data Modeling, Incident Response, Security Controls, Information Privacy, Data Infrastructure, Computer Security Incident Management, Data Storage Technologies, Security Strategy, Database Architecture and Administration
Advanced · Specialization · 1 - 3 Months