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: Systems Design, Computational Logic, Verification And Validation, Computer Engineering, Communication Systems, Software Systems, Process Modeling, Theoretical Computer Science, Graph Theory
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Java Programming, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Authentications, Data Import/Export, Cryptography, Eclipse (Software), Integrated Development Environments, Encryption, Data Structures
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Ethics, Big Data, Cybersecurity, Data Security, Cryptography, Information Privacy, Encryption, Digital pedagogy, AI Personalization, Computer Science, Web Servers, Machine Learning, Machine Learning Methods, Supervised Learning, Artificial Neural Networks
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Model Evaluation, Regression Analysis, Verification And Validation, Feature Engineering, Plot (Graphics), Statistical Methods, Statistical Modeling, Scatter Plots, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Statistical Inference, Statistical Hypothesis Testing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Analysis Expressions (DAX), Data Ethics, Data Modeling, Data Governance, Data Architecture, Database Design, Power BI, Data Management, General Data Protection Regulation (GDPR), Star Schema, Personally Identifiable Information, Information Privacy, Data Synthesis, Data Visualization Software, Data Security, Data Integrity, Snowflake Schema, Relational Databases, Data Quality, Extract, Transform, Load
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Continuous Monitoring, Cyber Security Assessment, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Vulnerability Scanning, Software Testing, Security Controls, System Monitoring, White-Box Testing, Threat Detection, IT General Controls (ITGC)
Advanced · Course · 1 - 4 Weeks
Macquarie University
Skills you'll gain: Microsoft Excel, Excel Macros, Excel Formulas, Data Validation, Data Modeling, Spreadsheet Software, Verification And Validation, Data Integrity, Dependency Analysis, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Application Security, Security Testing, Software Development Methodologies, Configuration Management, Software Development, Software Configuration Management, Systems Development Life Cycle, Software Development Life Cycle, Package and Software Management, Software Testing, Security Engineering, API Testing, Application Programming Interface (API), Cloud Security, Process Driven Development, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Digital pedagogy, Technical Communication, Digital Transformation, Cloud Computing, Computer Science, Hypertext Markup Language (HTML), Cloud Storage, File Transfer Protocol (FTP), Data Analysis, Data Science, Amazon Web Services, SQL
Beginner · Course · 1 - 3 Months

Skills you'll gain: Windows PowerShell, IT Automation, Scripting, Shell Script, Automation, Windows Servers, Data Validation, System Configuration, Scripting Languages, Microsoft Servers, Server Administration, Administration, Software Installation, Servers, Verification And Validation, Cloud Deployment, Data Import/Export, Service Management, Remote Access Systems, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Real Time Data, Extract, Transform, Load, Google Cloud Platform, Apache Kafka, Big Data, Applied Machine Learning, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Analytics, Data Transformation, Data Collection
Intermediate · Course · 1 - 4 Weeks