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: Data Pipelines, Dataflow, Data Warehousing, Extract, Transform, Load, Data Quality, Data Cleansing, Data Validation, Data Processing, Google Cloud Platform, Apache Spark, Scalability, Data Transformation, Performance Tuning, Serverless Computing
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Adobe Illustrator, Adobe Creative Cloud, Graphic Design, Graphic and Visual Design, Adobe Photoshop, Graphic and Visual Design Software, Graphics Software, User Interface (UI), Computer Graphic Techniques, Document Management, Design Elements And Principles, Typography, Web Content, Productivity Software, Scalability
Mixed · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, Web Applications, Web Development, .NET Framework, Microservices, Single Sign-On (SSO), Performance Tuning, Web Design and Development, Identity and Access Management, Full-Stack Web Development, C# (Programming Language), Application Security, Security Controls, Cloud Development, Multi-Factor Authentication, Application Frameworks, Authentications, Server Side, Authorization (Computing), Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, Agentic Workflows, Agentic systems, Generative AI, Prompt Engineering, Prompt Patterns, LLM Application, Systems Architecture, Tool Calling, Natural Language Processing, Context Management, Memory Management, Verification And Validation
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Hardware Design, Field-Programmable Gate Array (FPGA), Data Structures, Electronic Hardware, Computational Logic, Application Specific Integrated Circuits, Electronic Systems, System Design and Implementation, Computer Architecture, Verification And Validation, Embedded Systems, Simulation and Simulation Software, Code Reusability, Test Engineering, Data Synthesis, Analysis, Design, Process Optimization
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Usability Testing, Usability, Surveys, Software Testing, Survey Creation, User Research, Test Planning, User Experience Design, Software Quality (SQA/SQC), Web Content Accessibility Guidelines
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Google Cloud Platform, Cloud Deployment, Application Deployment, Build Tools, Cloud Applications, CI/CD, Cloud Development, Go (Programming Language), Serverless Computing, Software Testing, Development Testing, Data Store, Database Development, Data Import/Export
Beginner · Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Hugging Face, Natural Language Processing, Large Language Modeling, Generative AI, Text Mining, LLM Application, AI Workflows, Unstructured Data
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Secure Coding, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Development Testing, Back-End Web Development, Security Controls, API Design, Application Frameworks, Database Management, Web Frameworks, Application Programming Interface (API), Application Security, Database Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Test Script Development, Test Case, Software Testing, Python Programming, File I/O
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Blogs, Content Marketing, Content Creation, HubSpot CRM, Marketing Strategies, Conversion Funnel Analysis, Marketing Automation, Customer Engagement, Digital Marketing Tools, Email Marketing, Marketing Effectiveness, AI Integrations, Artificial Intelligence
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Testing, Business Logic, Test Tools, Cryptography, Cybersecurity, Identity and Access Management, Authentications, Vulnerability Assessments, Encryption, Data Validation, Network Protocols
Intermediate · Course · 1 - 4 Weeks