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 at Buffalo
Skills you'll gain: Semiconductors, Electronic Components, Electronics, Virtual Reality, Manufacturing Processes, Laboratory Equipment, Materials science, Electrical Engineering, Laboratory Procedures, Engineering, Mechanical Engineering, Safety Standards, Goal Setting, Emerging Technologies, Problem Solving, Self-Starter, Higher Education, Time Management, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Engineering Design Process, Verification And Validation, 3D Modeling, Mechanical Design, Functional Design, Assembly Drawing, Design Software, Drafting and Engineering Design, Model Evaluation
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Analysis Expressions (DAX), Data Ethics, Data Modeling, Data Governance, Data Architecture, Database Design, Power BI, Data Management, General Data Protection Regulation (GDPR), Star Schema, Personally Identifiable Information, Information Privacy, Data Synthesis, Data Visualization Software, Data Security, Data Integrity, Snowflake Schema, Relational Databases, Data Quality, Extract, Transform, Load
★ 4.8 (21) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, AI literacy, Emotional Intelligence, Health And Wellness Coaching, Responsible AI, AI Workflows, Patient Education And Counseling, Technical Documentation, Risk Analysis, Decision Making, Law, Regulation, and Compliance
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Correlation Analysis, Statistical Visualization, Descriptive Statistics, Statistical Analysis, Statistical Software, Probability & Statistics, Data Analysis, Analysis, R (Software), Systems Of Measurement, Data Quality, R Programming, Statistical Methods, Verification And Validation, Statistical Hypothesis Testing
★ 4.2 (10) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Secure Coding, Authorization (Computing), Token Optimization, Role-Based Access Control (RBAC), User Provisioning, Authentications, Application Security, Identity and Access Management, Other Programming Languages, Program Development, Programming Principles, Transaction Processing, Test Script Development, Software Development, Application Deployment
★ 4.9 (42) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Software Testing, Testability, Java, Test Case, Program Development, Software Design
★ 3.6 (17) · Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Programming (OOP), Memory Management, C (Programming Language), Algorithms, File I/O, Graph Theory, Data Structures, Secure Coding, Scaled Agile Framework
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Model View Controller, ASP.NET, OAuth, API Design, Web Development, Application Programming Interface (API), .NET Framework, Web Services, Authentications, Unit Testing, Back-End Web Development, C# (Programming Language), Web Applications, Object-Relational Mapping, API Testing, Authorization (Computing), Operational Databases, Cloud Computing, Computer Programming
★ 4.7 (38) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Modeling, Financial Analysis, Working Capital, Business Valuation, Financial Forecasting, Dashboard, Dashboard Creation, Financial Data, Feature Engineering, Model Evaluation, Applied Machine Learning, Statistical Machine Learning, Forecasting, Real Time Data, Power BI, Extract, Transform, Load, Tableau Software, Finance
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Automation, Cascading Style Sheets (CSS)
★ 4.6 (8) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Frontend Integration, Spring Boot, Restful API, Data Persistence, Web Services, Software Testing, Java Programming, Object-Relational Mapping, Java, Back-End Web Development, Secure Coding, Authentications, Data Modeling, Business Logic
★ 4.6 (28) · Mixed · Course · 1 - 4 Weeks