Flutter Calculator App This is a simple calculator app built using Flutter designed to perform basic arithmetic operations. It features a clean user interface with responsive buttons for numeric input operators and special functions like percentage and clearing the input. The app evaluates mathematical expressions in real-time using the math_expressions package making it efficient and versatile. Features: Basic arithmetic operations (addition subtraction multiplication division). Percentage calculation and clear functionality. Real-time expression evaluation. Responsive UI layout with a dynamic display for user input and calculated results. Technology Stack: Flutter SDK Dart programming language math_expressions package for mathematical expression parsing Credits: This project was developed by The_Raj with references from online resources and tutorials. Usage: Clone the repository and open it in Flutter-compatible IDE. Run the app on an Android or iOS emulator or physical device. Explore the code to learn about Flutter UI design state management with StatefulWidget and integrating external packages for mathematical operations.

https://github.com/TheRaj71/Calculator_application/releases/download/v0.1.0/Calculator.apk

Here're some of the project's best features:

• Dynamic User Interface:
• Real-time Expression Evaluation
• Error Handling
• Cross-platform Compatibility

1. Installation

Download From Releases

Download from Build>outputs>Apk

Thank you for considering contributing to the Flutter Calculator App! Contributions are welcome from everyone.-- How to Contribute Fork the Repository: Start by forking the repository to your own GitHub account. Clone the Repository: Clone the forked repository to your local machine. bash Copy code git clone https://github.com/TheRaj71/Calculator_application.git. Create a Branch: Create a new branch for your contribution. bash Copy code git checkout -b feature/your-feature-name Make Changes: Make your desired changes or additions to the codebase. Ensure your code follows the existing coding style and conventions. Test: Test your changes locally to ensure they function as expected. Commit Changes: Commit your changes with a clear and descriptive commit message. sql Copy code git commit -am 'Add feature: describe your changes' Push Changes: Push your changes to your forked repository. bash Copy code git push origin feature/your-feature-name Submit a Pull Request: Go to the original repository on GitHub and create a pull request (PR) from your forked branch. Provide a detailed description of your changes in the PR.

Technologies used in the project:

• Flutter SDK
• Dart Programming Language
• Git/Github

This project is licensed under:

• Raj

If you have any feedback, please reach out to us at [email protected]

Developing the Flutter Calculator App has been an enriching experience, offering valuable insights and lessons that have contributed to my growth as a developer. Here are some key lessons learned throughout this project:

Flutter Fundamentals: Deepened understanding of Flutter's widget-based architecture, state management with StatefulWidget, and responsive UI design principles.

Package Integration: Learned how to integrate third-party Dart packages like math_expressions for parsing and evaluating mathematical expressions, enhancing app functionality efficiently.

UI/UX Design: Explored techniques for creating intuitive user interfaces, including button responsiveness, layout management with GridView, and dynamic content updates using stateful widgets.

Error Handling: Implemented robust error handling mechanisms to manage edge cases such as division by zero, ensuring the app remains stable and user-friendly.

Version Control and Collaboration: Gained proficiency in using Git and GitHub for version control, branching workflows, and collaborating with contributors through pull requests and issue tracking.

Testing and Debugging: Utilized Flutter's debugging tools, iOS Simulator, and Android Emulator to test app behavior across different devices, improving reliability and performance.

Documentation and Communication: Emphasized the importance of clear and concise documentation in README files, including project setup instructions, feature descriptions, and contribution guidelines.

Community Engagement: Engaged with the Flutter community through forums, tutorials, and open-source resources, leveraging collective knowledge to solve challenges and enhance coding practices.

Continuous Learning: Embraced a growth mindset by seeking feedback, exploring new Flutter features, and adapting to evolving best practices in mobile app development.

These lessons have not only enhanced my technical skills but also fostered a deeper appreciation for the iterative nature of software development and the importance of continuous improvement.

This is my First Dart Project that's why you may find some irregularities but with time i'll be familiar with this.