SCALC - Scientific Calculator App

SCALC is a customizable Android scientific calculator designed for use in controlled environments like classrooms or exams. Built with Java and C++ in Android Studio, it includes advanced calculator features along with session control, password lock, and kiosk mode functionality.

🔧 Features

• ✅ Scientific & Basic Modes
  Easily switch between scientific and basic calculator modes depending on the use case.

• 🔐 Session Lock
  App can be locked with a password to prevent tampering during a session.

• ⏲️ Session Timer
  Set a time limit for calculator usage — useful for exams or limited practice time.

• 📱 Fullscreen/Kiosk Mode
  Locks the user inside the calculator app, preventing switching to other apps (exam safe).

• 👨‍🏫 Teacher Configuration
  Teachers or administrators can configure the app before handing it to users.

• 👨‍🏫 ALARM NOTICE
  Teachers or administrators will hear an alarm if the user exit the app before the timer finishes.

📱 Screenshots

** START **

** SCIENTIFIC CALCULATOR **

** BASIC **

APP LOCK

🛠️ Built With

• Java (Android UI and logic)
• C++ (via JNI for performance-critical features)
• Android Studio
• XML (for UI layouts)

🚀 Getting Started

1. Clone the repo with ANDROID STUDIO.
2. Start editing.

🚀 Getting Started (mobile testing)

1. Download the release .apk file.
2. EXECUTE IT.