Claude Chat
Learn Claude from scratch: effective prompts, Projects, documents, and limits — eleven hands-on lessons for true beginners, no experience needed.
Lessons
11 lessonsCourse Introduction and the Claude Ecosystem
An overview of this free Claude Chat course and the Claude ecosystem (Chat, Cowork, Code), with a map of every feature you'll see.
What Can You Trust: How an LLM Reasons
Why a language model estimates words probabilistically, what a hallucination is, and how to use Claude professionally by grounding answers in sources and documents.
Interface, Models, and Settings
A tour of Claude Chat: chat and history, voice dictation, the Opus/Sonnet/Haiku models and tokens, attaching files, privacy and data training, personalization, memory, and costs.
Analyzing Structured Data
Getting Claude to analyze CSV, Excel, and JSON files: running Python code, rankings, interactive charts, and pulling insights out of your datasets.
Artifacts: Mini Apps and Documents
What Artifacts are and how to use them to generate interactive mini apps, configurators, documents (docx, xlsx, PDF), and reusable code.
Web Search and Deep Research
Targeted online searches with cited sources, plus Deep Research, which consults hundreds of sources and produces detailed, well-grounded reports.
Connectors: Linking Claude to Your Apps
Connecting Claude to Gmail, Calendar, Notion, Drive, and other apps through connectors (MCP), reading and writing data with human control over permissions.