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.

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Threat Modeling, Systems Architecture, System Software, Hardening, Debugging, Computer Architecture, Hardware Architecture, Internet Of Things, Application Security, General Networking, Wireless Networks, Operating Systems, Performance Tuning, System Requirements, Network Protocols, Open Source Technology
★ 4.4 (351) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Teradata SQL, Google Cloud Platform, Identity and Access Management, Database Design, Extract, Transform, Load, Query Languages, Role-Based Access Control (RBAC), Relational Databases, Data Modeling, SQL, Data Import/Export, Data Warehousing, Database Management, Data Architecture, Database Architecture and Administration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Banking Services, Banking, Commercial Banking, International Finance, Cash Handling, Operational Risk, Risk Control, Financial Controls, Transaction Processing, Finance, Verification And Validation, Document Control
★ 4.9 (11) · Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Electrical Engineering, electromagnetics, Physics, Engineering Calculations, Electrical Systems, Problem Solving, Applied Mathematics, Electronic Components, Calculus, Electronics, Differential Equations, Integral Calculus
★ 4.8 (50) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Environmental Monitoring, Spatial Data Analysis, GIS Software, Geospatial Information and Technology, Geographic Information Systems, Data Literacy, Spatial Analysis, Geospatial Mapping, Data Visualization, Environmental Science, Model Evaluation, Data Validation, Verification And Validation, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), API Design, Node.JS, API Testing, Restful API, Authentications, Back-End Web Development, Server Side, Frontend Integration, User Accounts, PostgreSQL, Data Validation, Database Development, Object-Relational Mapping, Authorization (Computing), TypeScript, Verification And Validation, Database Management
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Integral Calculus, Basic Electrical Systems
★ 4.7 (134) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Team Oriented, Information Architecture, Organizational Skills, Content Optimization, Content Management, Document Management, Content Strategy, Cross-Functional Collaboration, Coordination, Data Visualization, Verification And Validation, Vocabulary, Data Management, Data Mining, Trend Analysis, Data Analysis
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, Java Programming, Software Testing, Program Development, Performance Tuning, Algorithms, Performance Testing, Object Oriented Programming (OOP), Theoretical Computer Science
★ 4.8 (2.3K) · Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Control Systems, Machine Controls, Three-Phase, Power Electronics, Simulation and Simulation Software, Model Based Systems Engineering, Electrical Engineering, Automation Engineering, Simulations, Mathematical Modeling, Electrical Power, Performance Tuning, Performance Testing, System Configuration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Business Intelligence, Business Intelligence Software, Interactive Data Visualization, Statistical Visualization, Business Analytics, Data Visualization Software, Dashboard, Agentic Workflows, Data Storytelling, Data Analysis, Data Modeling, Extract, Transform, Load, Predictive Analytics, Exploratory Data Analysis, Data Governance, Data Transformation, Data Preprocessing, Correlation Analysis, Data Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: React.js, React Redux, Frontend Performance, Full-Stack Web Development, Unit Testing, Front-End Web Development, Event-Driven Programming, Performance Tuning, Frontend Integration, Context Management, Javascript, Code Reusability, JavaScript Frameworks, Software Testing, Server Side, Web Applications, UI Components, Software Design Patterns, Cascading Style Sheets (CSS), Data Persistence
Intermediate · Specialization · 3 - 6 Months