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: Unsupervised Learning, Dimensionality Reduction, Supervised Learning, R Programming, Machine Learning Methods, Applied Machine Learning, R (Software), Classification Algorithms, Statistical Machine Learning, Data Wrangling, Machine Learning Algorithms, Tidyverse (R Package), Machine Learning, Data Science, Ggplot2, Classification And Regression Tree (CART), Feature Engineering, Machine Learning Software, Data Preprocessing, Statistical Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Star Schema, Data Modeling, Database Design, Extract, Transform, Load, Database Development, Data Integration, Data Infrastructure, Database Architecture and Administration, Database Software, Relational Databases, Database Management, Business Intelligence, Database Theory, Performance Tuning, PostgreSQL, SQL
Beginner · Course · 1 - 3 Months

Skills you'll gain: Marketing Analytics, Data-Driven Marketing, A/B Testing, Customer Analysis, Anomaly Detection, Dashboard, Dashboard Creation, Time Series Analysis and Forecasting, Regression Analysis, Customer Insights, Extract, Transform, Load, Descriptive Analytics, Data Presentation, Statistical Methods, Marketing Effectiveness, Marketing Strategies, Forecasting, Statistical Modeling, Statistical Analysis, Markov Model
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Data Integration, Databases, Data Processing, Data Import/Export, Database Management, Data Manipulation, File I/O, Data Mapping, Dataflow, Software Installation, Data Transformation, Software Versioning
Mixed · Course · 1 - 4 Weeks
Alberta Machine Intelligence Institute
Skills you'll gain: Generative AI Agents, Generative AI, Generative Model Architectures, Agentic systems, LLM Application, Agentic Workflows, LangChain, AI Workflows, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Model Deployment, Model Training, Google Cloud Platform, PyTorch (Machine Learning Library), System Monitoring, Deep Learning, Model Optimization, Fine-tuning, Model Evaluation, Development Environment
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Governance, Extract, Transform, Load, Data Warehousing, Cloud Engineering, Data Management, Data Integration, DevOps, Data Pipelines, CI/CD, Data Infrastructure, Data Architecture, Infrastructure as Code (IaC), Cloud-Native Computing, Devops Tools, Data Quality, Data Processing, Cloud Technologies, Cloud Computing, Data-Driven Decision-Making, Cloud Computing Architecture
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Google Analytics, Data Storytelling, Data Presentation, Data Literacy, Marketing Analytics, Web Analytics, Data Validation, Dashboard Creation, Data-Driven Marketing, Conversion Funnel Analysis, Data-Driven Decision-Making, Predictive Analytics, Verification And Validation, Information Privacy, Data Collection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SolidWorks (CAD), Drafting and Engineering Design, Mechanical Design, Assembly Drawing, 3D Modeling, Verification And Validation, Computer-Aided Design, Equipment Design, Technical Design, Industrial Design, Functional Design, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Database Theory, Database Development, Query Languages, Development Testing, Hibernate (Java), Performance Tuning, Software Testing, Object-Relational Mapping, Frontend Integration
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Wrangling, Command-Line Interface, Data Transformation, Data Processing, Data Pipelines, Extract, Transform, Load, Google Cloud Platform, Data Integration, Data Management, Database Administration
Beginner · Project · Less Than 2 Hours

Skills you'll gain: OAuth, Unit Testing, Apache Airflow, Fine-tuning, Model Evaluation, Data Validation, API Design, Test Driven Development (TDD), Data Integrity, Extract, Transform, Load, Multimodal Prompts, Natural Language Processing, MLOps (Machine Learning Operations), OpenAI API, Data Presentation, Hugging Face, Token Optimization, LLM Application, CI/CD, Tensorflow
Intermediate · Specialization · 3 - 6 Months