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.

Skills you'll gain: Flask (Web Framework), Restful API, Software Testing, Web Services, Verification And Validation, Databases, API Design, Software Quality (SQA/SQC), Secure Coding, JSON, Application Programming Interface (API), MongoDB, Relational Databases, Web Applications, Application Frameworks, NoSQL, Back-End Web Development, Python Programming, Responsive Web Design, Maintainability
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Financial Forecasting, Revenue Forecasting, Power BI, Model Evaluation, Marketing Budgets, Predictive Modeling, Forecasting, Budget Management, Data-Driven Decision-Making, Case Studies, Interactive Data Visualization, Verification And Validation, Variance Analysis, Business Modeling, Business Intelligence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Apple Xcode, Software Architecture, Apple software proficiency, Mobile Development, Software Testing, Test Tools, AI Integrations, Unit Testing, Software Design, Model Training, Testability, Artificial Intelligence and Machine Learning (AI/ML), AI Personalization, Machine Learning Software, Machine Learning, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Context Protocol, Tool Calling, AI Integrations, Vector Databases, Agentic Workflows, Database Architecture and Administration, AI Security, LLM Application, Operational Databases, SQL, Generative AI Agents, Databases, Query Languages, Data Access, Embeddings, Retrieval-Augmented Generation, Agentic systems, System Implementation, Verification And Validation
Advanced · 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

Macquarie University
Skills you'll gain: Due Diligence, Business Valuation, Entrepreneurship, Fundraising and Crowdsourcing, Business Ethics, Sales Strategy, Contract Negotiation, Grant Applications, Price Negotiation, Environmental Social And Corporate Governance (ESG), Legal Risk, Tax Management, Tax, Risk Management, Organizational Structure, Research and Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AWS Kinesis, Amazon Web Services, Amazon DynamoDB, AWS SageMaker, Amazon Redshift, Database Administration, Extract, Transform, Load, Databases, Relational Databases, Real Time Data, Cloud Applications, Database Management Systems, Scalability, Data Integration, Cloud Deployment, Middleware, Cloud-Based Integration, Web Services, Data Warehousing, Data Integrity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LESS, Cascading Style Sheets (CSS), HTML and CSS, Code Reusability, Web Design and Development, Front-End Web Development, Maintainability, Operations, Arithmetic, Web Development, Scalability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Test Driven Development (TDD), Test Script Development, Test Case, Web Development Tools, Unit Testing, Development Testing, Software Testing, Browser Compatibility, Testability, Test Tools, JavaScript Frameworks, Javascript, Mockups, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Interplay Learning
Skills you'll gain: Punch Work, Project Closure, Operational Efficiency, HVAC, Verification And Validation, Client Services, System Testing, Customer Service, Corrective and Preventive Action (CAPA), Active Listening, Customer Relationship Building, Facility Repair And Maintenance, Customer experience improvement, Communication, Communication Strategies, Service Improvement, Hardware Troubleshooting, Problem Management, Professionalism, Facility Management and Maintenance
Beginner · Course · 1 - 3 Months

Skills you'll gain: React Redux, React.js, Frontend Performance, Full-Stack Web Development, Unit Testing, Performance Tuning, JavaScript Frameworks, Frontend Integration, Code Reusability, Web Frameworks, Software Testing, Server Side, Software Design Patterns, UI Components, Data Validation, Data Access
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Management Software, Project Management, User Feedback, Procedure Development, Workflow Management, Project Documentation, Program Standards, Standard Operating Procedure, Process Design, Process Improvement, Process Optimization, Operational Efficiency, Process Improvement and Optimization, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks