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.

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Analysis, Statistical Methods, Combinatorics, Statistical Programming, Data Analysis, Probability, Probability Distribution, Applied Machine Learning, Probability & Statistics, Bayesian Statistics, Data Science, Simulations
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Generative AI, Large Language Modeling, PyTorch (Machine Learning Library), Generative Model Architectures, Multimodal Prompts, Fine-tuning, Image Analysis, Model Evaluation, Autoencoders, Hugging Face, Embeddings, Computer Vision, Convolutional Neural Networks, Artificial Neural Networks, LLM Application, Natural Language Processing, Deep Learning, Model Training, Model Optimization, Image Quality
Intermediate · Specialization · 1 - 4 Weeks

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

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Tools, Java
★ 3.3 (13) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LLM Application, Fine-tuning, Test Data, Large Language Modeling, Prompt Engineering, Model Training, Model Evaluation, Transfer Learning, Generative AI Agents
★ 4.7 (10) · Intermediate · Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Data Quality, Data Integrity, Data Validation, Data Collection, Data Processing, Data Preprocessing, Data Analysis, Verification And Validation, Data Access, Design Strategies
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Angular, UI Components, Web Development Tools, JavaScript Frameworks, User Interface (UI), TypeScript, Cascading Style Sheets (CSS)
★ 4.4 (12) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Accounts Payable, Accounts Payable and Receivable, Accounts Receivable, Billing & Invoicing, Invoicing, Accounting Software, Workflow Management, Payment Processing, Accounting Records, Data Entry, Business Process Automation, Tax Compliance, Document Management, Spreadsheet Software, Excel Formulas, Financial Controls, Verification And Validation
Beginner · Course · 1 - 3 Months

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: 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: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Browser Compatibility, Java, Cascading Style Sheets (CSS), Data Import/Export, Debugging, Maintainability
★ 4.4 (14) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Overcoming Objections, Sales Pipelines, Consultative Selling, Account Strategy, Sales Presentation, Account Management, Sales Presentations, Storytelling, Closing (Sales), Sales Development, B2B Sales, Sales Process, Consultative Approaches, Persuasive Communication, Active Listening, Sales, Selling Techniques, Sales Territory Management, Sales Strategy, Revenue Management
Beginner · Specialization · 1 - 3 Months