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 Boulder
Skills you'll gain: Ancient History, World History, Research, European History, Storytelling, Culture, Language Interpretation, Translation, and Studies
★ 4.6 (370) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Data Cleansing, Data Pipelines, Feature Engineering, Data Quality, MLOps (Machine Learning Operations), Extract, Transform, Load, Data Transformation, Data Integration, Dataflow, Development Environment, Data Wrangling, Apache Airflow, Package and Software Management, Git (Version Control System), Quality Assurance, Exploratory Data Analysis, Cost Management, Resource Utilization, Virtual Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Tableau Software, Business Intelligence, Data Storytelling, Business Analytics, Data Modeling, Data Visualization Software, Dashboard, Interactive Data Visualization, Data Visualization, Dashboard Creation, Data-Driven Decision-Making, Data Analysis, Data Wrangling, Data Cleansing, Data Preprocessing, Data Transformation, Extract, Transform, Load, Data Integration, Exploratory Data Analysis, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Retrieval-Augmented Generation, Rust (Programming Language), Vector Databases, Query Languages, Relational Databases, Database Design, Graph Theory, Command-Line Interface, Network Routing, Embeddings, Data Storage, Data Validation, Algorithms
Intermediate · Course · 1 - 3 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

Pragmatic AI Labs
Skills you'll gain: Model Context Protocol, Claude Code, Kaizen Methodology, Code Coverage, Verification And Validation, Testability, Quality Assurance, Agentic systems, Software Quality (SQA/SQC), Test Automation, Development Testing, Maintainability, Software Testing, Generative AI Agents, Agentic Workflows, Artificial Intelligence, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Training, Fine-tuning, Model Evaluation, Model Optimization, Machine Learning Methods, Predictive Modeling, Tensorflow, Statistical Machine Learning, Machine Learning Software, MLOps (Machine Learning Operations), Computer Vision, Performance Testing, Transfer Learning, Feature Engineering, Scikit Learn (Machine Learning Library), Verification And Validation, Network Architecture, Deep Learning, Benchmarking, PyTorch (Machine Learning Library)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: DevSecOps, Continuous Delivery, Continuous Integration, Test Tools, Software Quality Assurance, DevOps, Software Quality (SQA/SQC), Security Testing, Test Automation, Quality Assurance, Application Security, Software Testing, AI Integrations, Continuous Monitoring, Continuous Deployment, Site Reliability Engineering, Devops Tools, Software Development, Software Development Tools, Security Controls
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Procurement, Strategic Sourcing, Contract Negotiation, Negotiation, Supplier Management, Purchasing, Supplier Relationship Management, Supplier Performance Management, Proposal Development, Cost Estimation, Excel Formulas, Cost Reduction, Cost Benefit Analysis, Microsoft Excel, Data-Driven Decision-Making, Risk Management, Service Level
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Geospatial Information and Technology, Environmental Monitoring, Spatial Data Analysis, Model Evaluation, Geographic Information Systems, GIS Software, Data Processing, Spatial Analysis, Image Analysis, Environmental Science, Data Analysis, Data Transformation, Verification And Validation, Technical Communication
Beginner · Course · 3 - 6 Months

University of Copenhagen
Skills you'll gain: Endocrinology, Physiology, Preventative Care, Drug Development, Pharmacology, Chronic Diseases, Epidemiology, Immunology, Medical Science and Research, Patient Treatment, Public Health and Disease Prevention, Exercise Science, Precision Medicine, Pre-Clinical Development, Public Health, Pharmacotherapy, Biology, Biochemistry, Nutrition and Diet, Molecular Biology
★ 4.8 (751) · Mixed · Course · 1 - 3 Months

Rice University
Skills you'll gain: Electrical Engineering, electromagnetics, Physics, Engineering Calculations, Electrical Systems, Problem Solving, Applied Mathematics, Electronic Components, Calculus, Electronics, Differential Equations, Integral Calculus
★ 4.8 (50) · Intermediate · Course · 1 - 4 Weeks