Subject-Specific

How to Study from PDF Textbooks

Reading and annotating PDFs efficiently, and using AI tools (including Fennie) to extract high-yield material.

What you'll learn

Reading PDFs the same way as paper textbooks. The format invites better workflows: AI processing, searchable highlights, cross-document search.

Fennie processes PDF textbooks directly — upload a chapter and Fennie generates summaries, flashcards, and quizzes from the content.

Slightly — for narrative text. For reference-style content, comparable to paper.

Goodnotes, PDF Expert, or Adobe Acrobat for handwriting. Highlights + comments work in most readers.

Upload a PDF and Fennie generates summaries, flashcards, and quizzes from the content.

Fennie generates Daily Plans that build these habits automatically — start free.

Adult learners returning to math — the order of operations, where to start, and how to avoid relearning the same gaps.

Pre-calc topics that actually matter for calculus success — and the ones you can skip.

Why memorizing reactions doesn't work and what does — mechanism-based learning, arrow-pushing, and retrosynthesis.

Physics rewards setup and conceptual reasoning, not formula plug-and-chug — here's how to actually learn it.