====== Getting Started with NDC Lookup ======

===== System Requirements =====

  * **iOS/iPadOS:** Version 17.0 or later
  * **Mac:** macOS 14.0 or later (via Mac Catalyst)
  * **Devices:** iPhone, iPad, and Mac
  * **Storage:** Approximately 250 MB (includes the bundled NDC database)

===== Installation =====

  - Open the **App Store** on your device
  - Search for "**NDC Lookup**"
  - Tap **Get** and authenticate with Face ID, Touch ID, or your Apple ID password
  - Once installed, tap **Open** or find the NDC Lookup icon on your home screen

===== First Launch =====

When you first open NDC Lookup, the app will prepare the database for use. This is a one-time process that takes a few seconds. Once complete, you'll see the main interface with five tabs:

  * **Search** — Search the NDC database by drug name, NDC, ingredient, or labeler
  * **Browse** — Browse products using filters only
  * **Converter** — Convert between 10-digit and 11-digit NDC formats
  * **Scan** — Scan drug barcodes with your camera (iOS/iPadOS only)
  * **Settings** — App information, database details, and support

===== Quick Start =====

=== Search for a Drug ===

  - Tap the **Search** tab
  - Type a drug name (e.g., "simvastatin") in the search bar
  - Tap a result to view full product details

=== Scan a Barcode ===

  - Tap the **Scan** tab
  - Point your camera at the barcode on a drug package
  - The app will decode the UPC and look up the matching NDC

=== Convert an NDC ===

  - Tap the **Converter** tab
  - Enter a 10-digit or 11-digit NDC
  - The app displays the converted format

**Tip:**
NDC Lookup works entirely offline. No internet connection is needed after installation.