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 of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Security Controls, Malware Protection, Network Security, Security Testing, Threat Detection, Firewall, Digital Forensics, Anomaly Detection, Code Review, Routing Protocols, Network Routing, Proxy Servers, Linux, Internet Of Things
★ 4.5 (174) · Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Exploratory Data Analysis, Generative AI, Analytics, Data Analysis, Extract, Transform, Load, Interactive Data Visualization, Predictive Analytics, Data-Driven Decision-Making, Data Synthesis, Predictive Modeling, Data Presentation, Forecasting, AI Integrations, Data Transformation, Descriptive Analytics, Data Modeling, Risk Analysis
★ 4.6 (11) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Model Context Protocol, Token Optimization, AI Workflows, Generative AI Agents, Agentic Workflows, AI Orchestration, Agentic systems, Tool Calling, Context Engineering, Artificial Intelligence and Machine Learning (AI/ML), AI Security, AI Enablement, Prompt Patterns, Prompt Engineering, ChatGPT, AI Personalization, AI Product Strategy, Anthropic Claude, Multimodal Prompts, Generative AI
★ 4.4 (11) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Extract, Transform, Load, Data Cleansing, Power BI, Data Transformation, Data Management, Data Quality, Data Preprocessing, Data Wrangling, Data Processing, Data Maintenance, Data Integration, Data Integrity, Data Analysis, Data Storage
★ 5 (23) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Unified Modeling Language, Software Design Patterns, Software Testing, Java, Software Engineering, Java Programming, Computer Programming, User Interface and User Experience (UI/UX) Design, Unit Testing, Software Design, Software Architecture, API Design, Model View Controller, Software Development, Test Driven Development (TDD), Conceptual Design, Databases
★ 4.3 (21) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Matlab, Estimation, Applied Mathematics, Numerical Analysis, Mathematical Modeling, Control Systems, Mathematical Software, Simulation and Simulation Software, Model Evaluation, Derivatives, System Implementation, Calculus
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Data Visualization Software, Cloud Deployment, Data Visualization, Restful API, Data Mapping, Data Presentation, Interactive Data Visualization, Extract, Transform, Load, Dashboard Creation, Histogram, Data Store, Data Transformation, Amazon Web Services, Cloud Hosting, Scalability, Cloud Management, System Monitoring, Data Management, Query Languages
★ 4.4 (16) · Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Containerization, CI/CD, Docker (Software), DevOps, Jenkins, Application Deployment, Continuous Integration, Rust (Programming Language), Prometheus (Software), Continuous Delivery, System Monitoring, JSON, Scripting, Command-Line Interface, Continuous Monitoring, Automation, System Programming, Software Testing, GitHub
★ 4.2 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Automation, Test Tools, Test Script Development, Unit Testing, Software Testing, Performance Testing, Quality Assurance, Performance Stress Testing, IT Automation, Performance Tuning, Scripting, Debugging, Network Performance Management, Simulations
★ 4.9 (10) · Intermediate · Course · 1 - 4 Weeks

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: Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Apache Airflow, Operational Databases, PostgreSQL, MySQL, Data Warehousing, Data Pipelines, Extract, Transform, Load, Database Management Systems, Database Design, Data Maintenance, SQL, Data Architecture, Performance Tuning, Disaster Recovery, Data Security, Data Transformation
★ 4.7 (16) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Vector Databases, Retrieval-Augmented Generation, Fine-tuning, Hugging Face, Generative AI, Model Optimization, OpenAI API, Natural Language Processing, Model Training, Large Language Modeling, Generative Model Architectures, LLM Application, Transfer Learning, Embeddings, Python Programming, Artificial Intelligence, Data Preprocessing
Intermediate · Course · 3 - 6 Months