| | Why | |----------|----------| | React + PDF.js | Mature, client‑side rendering, page‑wise lazy loading. | | Fabric.js | Vector‑based drawing on top of canvas; supports free‑hand, shapes, text. | | IndexedDB (client) | Cache rendered pages for offline reading. | | Web Workers | Offload OCR & heavy math extraction to background threads. |
| | User | Story | |--------|----------|-----------| | US‑001 | Student | I can type any keyword (including LaTeX‑style symbols) and instantly see every occurrence highlighted in the PDF. | | US‑002 | Engineer | I can click on an equation to view a pop‑up that shows the derivation steps, variable definitions, and related design tables. | | US‑003 | Instructor | I can add public or private annotations on any page, and share them with a class via a single URL. | | US‑004 | Self‑learner | I can ask the system “Summarize the operating principle of a centrifugal pump” and receive a concise, bullet‑point answer. | | US‑005 | Reviewer | I can generate a 10‑question multiple‑choice quiz for Chapter 4, with answers and explanations, and export it as a PDF. | | US‑006 | Designer | I can rotate, zoom, and explode a 3‑D turbine model extracted from the book’s figure, and download the STL file. | | US‑007 | All | I can download a “Study Pack” that bundles my notes, AI‑generated summary, and quiz for any chapter. | Fluid Machinery By Jose Francisco Pdf
: It includes a sample design project at the end to give students hands-on application for real-world engineering tasks. ejournals.ph Info Fluid Machinery Guidebook by Engr Jose R Francisco PR | | Why | |----------|----------| | React + PDF