https://github.com/chathumiamarasinghe/calculator_app

A Flutter-based calculator app designed for seamless cross-platform functionality, supporting Android, iOS, web, and desktop environments
https://github.com/chathumiamarasinghe/calculator_app

android-app calculator-app cross-platform dart flutter ios-app mobile-app xcode

Last synced: about 1 month ago
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A Flutter-based calculator app designed for seamless cross-platform functionality, supporting Android, iOS, web, and desktop environments

• Host: GitHub
• URL: https://github.com/chathumiamarasinghe/calculator_app
• Owner: chathumiamarasinghe
• License: mit
• Created: 2024-11-20T07:01:11.000Z (2 months ago)
• Default Branch: master
• Last Pushed: 2024-12-22T13:15:47.000Z (about 1 month ago)
• Last Synced: 2024-12-22T14:24:31.352Z (about 1 month ago)
• Topics: android-app, calculator-app, cross-platform, dart, flutter, ios-app, mobile-app, xcode
• Language: Dart
• Homepage:
• Size: 33.2 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# Calculator App  

A modern and feature-rich calculator app built using **Flutter**. This app provides a sleek and intuitive interface for performing various mathematical operations.  

## Features  

- **Basic Operations**: Addition, Subtraction, Multiplication, and Division.  

- **Advanced Operations**:  

  - Calculate percentages.  

  - Compute square roots.  

- **Responsive Design**: Adapts seamlessly to different screen sizes.  

- **Calculation History**: View your previous calculations.  

- **Error Handling**: Clear and user-friendly error messages for invalid operations (e.g., division by zero).  

## Technologies Used  

- **Language**: Dart  

- **Framework**: Flutter  

- **UI Components**: Material Design  

## Getting Started  

### Prerequisites  

1. Install Flutter SDK from the [official site](https://flutter.dev/docs/get-started/install).  

2. Ensure you have an emulator or a physical device set up for development.  

### Installation  

1. **Clone the repository:**  

   ```bash

   git clone https://github.com/chathumiamarasinghe/Calculator_App.git

2. **Navigate to the project directory:**

```bash

   cd calculator-app

```

3. **Run the app on an emulator or physical device:**

```bash

   flutter run

```

4. **How to Use**

   

- Launch the app.

- Perform calculations by tapping the buttons for numbers and operations.

- Use the "√" button for square root and "%" for percentage.

- Tap the history icon (top-right) to view past calculations.

- Use "C" to clear the current input and "⌫" to delete the last digit or operator.

5. **Code Overview**

- The core functionality of the app is in the CalculatorScreen class, which manages:

- UI Rendering: Builds a responsive calculator interface.

- State Management: Handles user input, operations, and results dynamically.

- Error Handling: Displays error dialogs for invalid inputs.

## Videos & Screenshots  

[![Watch the video](https://img.youtube.com/vi/pMAypgSiX2c/0.jpg)](https://youtu.be/pMAypgSiX2c?si=LlZOh8dwJUr-t2jk)

[![Watch the short video](https://img.youtube.com/vi/2AJ1hbyLyNM/0.jpg)](https://youtube.com/shorts/2AJ1hbyLyNM?si=GOkP8KaXszKtrFiV)

### Home Screen  

  

### History Screen  

  

### Error Screen  

  

  

  

### calculation Screen