📲 Calculus QR Scanner

Calculus QR Scanner is a mobile application for scanning and analyzing fiscal receipts in Serbia. It connects directly to Calculus ERP system, allowing seamless integration, synchronization, and real-time access to scanned receipt data.

🔗 Google Play Store

👉 Download now: Calculus Čitač Fiskala on Google Play

📄 User Instructions

• Download the user manual here: Download User Instructions (PDF)

🛠️ Tech Stack

• Framework: React Native via Expo
• Routing: expo-router
• State Management: React Context API
• HTTP Requests: Axios
• Styling: Tailwind CSS with NativeWind

🧭 Features

• Scan and decode fiscal receipts from Serbian tax devices
• Send data directly to your Calculus ERP database
• Local offline storage with optional sync
• User authentication and session handling
• Settings for server configuration and preferences

📥 Installation (Development)

To run the project locally:

git clone https://github.com/yourusername/calculus-qr-scanner.git
cd calculus-qr-scanner
git checkout development
npm install
npx expo start

📬 Contact

• Nikola Raičević 📧 nikola.raicevic@calculus.rs 📧 2nikolar1@gmail.com
• Calculus customer support 📧 podrska@calculus.rs