# 🧮 Python Calculator

A feature-rich GUI calculator built with Python and tkinter — supporting basic arithmetic as well as area and volume calculations for a wide range of geometric shapes.

> **Version:** 0.0.1 (BETA)  |  **Released:** 10.10.2025  |  **Developer:** [Survivalful](https://Survivalful.de/)

---

## Features

- **Standard Calculator** — basic arithmetic (+, −, ×, ÷) with keyboard support
- **Area Calculations** for:
  - Square, Rectangle, Triangle, Trapezoid
  - Circle (radius or diameter)
  - Cylinder (radius or diameter)
  - Sphere (radius or diameter)
  - Cone (radius or diameter)
- **Volume Calculations** for:
  - Cube, Rectangular Prism
  - Cylinder (radius or diameter)
  - Cone (radius or diameter)
  - Sphere (radius or diameter)
  - Tetrahedron
  - Trapezoidal Prism
- **Live calculation** — results update as you type, no need to press Enter
- **Dark / Light mode** — toggle between themes in Settings
- **Configurable rounding** — enable/disable and set decimal places in Settings
- **System info** — displays OS, architecture and app version in the Info screen

---

## Installation

**Requirements:** Python 3.x (tkinter is included in the standard Python installation)

1. Clone the repository:
   ```bash
   git clone https://github.com/your-username/python-calculator.git
   cd python-calculator
   ```

2. Run the calculator:
   ```bash
   python main.py
   ```

No additional packages need to be installed.

---

## Usage

After launching the app, use the **Menu** in the top bar to navigate:

| Menu item | Description |
|-----------|-------------|
| `Menu → Calculator` | Standard calculator with keyboard input |
| `Menu → Shape → Area` | Area calculations for various shapes |
| `Menu → Shape → Volume` | Volume calculations for various shapes |
| `Menu → Settings` | Toggle dark mode and configure rounding |
| `Menu → Info` | App version, support contact and system info |
| `Menu → Exit` | Close the application |

### Keyboard shortcuts (Calculator)

| Key | Action |
|-----|--------|
| `0–9`, `+`, `-`, `*`, `/`, `.` | Input |
| `Enter` | Calculate |
| `Escape` or `C` | Clear |

---

## Settings

| Setting | Default | Description |
|---------|---------|-------------|
| Dark Mode | On | Toggle between dark and light theme |
| Rounding | On | Enable or disable result rounding |
| Rounding Decimals | 2 | Number of decimal places for results |

---

## Support

- 🌐 Website: [https://Survivalful.de/](https://Survivalful.de/)
- 📧 E-Mail: team@survivalful.de