World's Simplest Calculator - A Flutter Project for Basic Arithmetic Operations

World’s Simplest Calculator (DEBHM): This is a basic calculator app built using Flutter. It allows users to perform simple arithmetic operations such as addition, subtraction, multiplication, and division. The application features a clean dark-themed interface and supports two numeric inputs. Source Code | Blog Post

Screenshots#

Windows	Android	Chrome

Try#

You can try static android builds:

arm64-v8a
- arm64-v8a APK
- arm64-v8a SHA1
armeabi-v7a
- armeabi-v7a APK
- armeabi-v7a SHA1
x86_64
- x86_64 APK
- x86_64 SHA1

Features#

Addition (+)
Subtraction (-)
Multiplication (X)
Division (÷)
Handles division by zero
Responsive and intuitive design
Dark theme for better visual comfort

Getting Started#

Prerequisites#

Ensure you have Flutter installed. You can follow the instructions here to set up Flutter on your machine.

Installation#

Clone this repository:

git clone https://gitlab.com/fr0stb1rd/debhm.git

Navigate into the project directory:
```
cd debhm
```
Fetch the necessary packages:
```
flutter pub get
```
Run the app:
```
flutter run
```

Usage#

Enter two numbers in the provided input fields.
Choose one of the operations: +, -, X, or ÷.
The result will be displayed immediately.

Important Notes#

The app prevents non-numeric input by filtering the input fields to accept digits only.
Division by zero is handled gracefully with an error message: “Error: Division by zero!”

License#

You can use, study share and improve it at your will. Specifically you can redistribute and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.