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 Toronto
Skills you'll gain: Global Positioning Systems, Estimation, Robotics, Mathematical Modeling, Linear Algebra, Engineering, Scientific, and Technical Instruments
★ 4.7 (840) · Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Spring Framework, Spring Boot, Hibernate (Java), API Design, Development Testing, Verification And Validation, Authentications, Application Programming Interface (API), Object-Relational Mapping, Maintainability, Secure Coding, Data Persistence, Application Frameworks, Authorization (Computing), Application Design, YAML, Role-Based Access Control (RBAC), Endpoint Security, Business Logic
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

Edureka
Skills you'll gain: AI Orchestration, Agentic Workflows, AI Workflows, Generative AI Agents, Tool Calling, Agentic systems, Model Deployment, AI Integrations, Enterprise Architecture, Prompt Engineering Tools, Artificial Intelligence, Context Management, Prompt Engineering, Prompt Patterns, Debugging, Verification And Validation, Retrieval-Augmented Generation, Large Language Modeling, Memory Management, Data Persistence
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Object Oriented Design, Rust (Programming Language), Object Oriented Programming (OOP), Software Design Patterns, Code Reusability, API Design, Python Programming, Verification And Validation, System Programming, Secure Coding, Performance Tuning, Performance Testing, Memory Management
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Agentic Workflows, Data Pipelines, CI/CD, AI Workflows, Agentic systems, Technology Roadmaps, DevOps, Build Tools, Real Time Data, Development Environment, Data Architecture, TypeScript, Software Documentation, Software Development Tools, Data Processing, Computer Programming Tools, Rust (Programming Language), Application Deployment
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Claude Code, Infrastructure as Code (IaC), CI/CD, PostgreSQL, Redis, Google Cloud Platform, Ubuntu, Agile Project Management, Continuous Integration, Prometheus (Software), Object Oriented Design, Data Pipelines, Linux Commands, SQL, Web Development Tools, Extract, Transform, Load, Amazon S3, Computational Logic, Software Development, AI literacy
Beginner · Specialization · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Computational Logic, Verification And Validation, Rust (Programming Language), Functional Testing, Mathematical Modeling, Design Specifications, Software Testing, Applied Machine Learning, Programming Principles, Test Tools, Theoretical Computer Science, YAML, Software Design, Other Programming Languages
Advanced · Course · 1 - 3 Months

Hebrew University of Jerusalem
Skills you'll gain: Calculus, Advanced Mathematics, General Mathematics, Integral Calculus, Trigonometry, Mathematical Theory & Analysis, Geometry, Mathematics and Mathematical Modeling, Algebra, Applied Mathematics, Graphing, Derivatives, Deductive Reasoning
★ 4.4 (72) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Security Architecture Review, Root Cause Analysis, Data Quality, Data Management, Azure Synapse Analytics, Data Validation, Data Integrity, Data Pipelines, Performance Tuning, Data Security, SQL, Database Development, System Monitoring, Extract, Transform, Load, Data Maintenance, Time Series Analysis and Forecasting, Data Governance, Query Languages, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Automation
Advanced · Specialization · 3 - 6 Months

Keller Williams
Skills you'll gain: Lead Generation, Administrative Support, Real Estate, Office Management, Real Estate Sales, Value Propositions, Office Procedures, Property and Real Estate, Sales Process, Customer Relationship Building, Database Management, Sales Development, Prospecting and Qualification, Business Administration, Real Estate Transactions, Sales Prospecting, Customer Acquisition Management, Contract Negotiation, Interpersonal Communications, Goal Setting
★ 4.7 (219) · Beginner · Professional Certificate · 3 - 6 Months
University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Application Specific Integrated Circuits, Embedded Systems, Electronic Systems, Schematic Diagrams, Hardware Architecture, System Design and Implementation, Design Software, Software Development Tools, Verification And Validation, Simulation and Simulation Software, Digital Design
★ 4.6 (1.2K) · Intermediate · Course · 1 - 4 Weeks