Calculator App

A simple and elegant calculator application built with Flutter.

Features

  • Basic arithmetic operations (addition, subtraction, multiplication, division)
  • Decimal number support
  • Clear button to reset calculations
  • Backspace button to delete the last digit
  • Clean and intuitive user interface
  • Real-time display updates

Getting Started

Prerequisites

  • Flutter SDK installed (Installation Guide)
  • Android Studio, Xcode, or VS Code with Flutter extension

Installation

  1. Navigate to the project directory:

    cd Flutter
    
  2. Install dependencies:

    flutter pub get
    
  3. Run the app:

    flutter run
    

Building

To build the app for different platforms:

For Android:

flutter build apk

For iOS:

flutter build ios

For Web:

flutter build web

App Structure

  • pubspec.yaml - Project configuration and dependencies
  • lib/main.dart - Main application code with calculator logic and UI

How to Use

  1. Tap number buttons to enter values
  2. Select an operation (+, -, ×, ÷)
  3. Enter the second number
  4. Tap = to see the result
  5. Use C to clear all data
  6. Use ⌫ (backspace) to delete the last digit
  7. Use . for decimal numbers

Calculator Operations

  • + Addition
  • - Subtraction
  • × Multiplication
  • ÷ Division
  • C Clear
  • Backspace
  • . Decimal point

Technologies Used

  • Flutter 3.0+
  • Dart
  • Material Design 3

License

This project is open source and available under the MIT License.

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