# 🧮 Survivalcalc

A modern desktop calculator with advanced features for area and volume calculations, built with Python and Tkinter.

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## ✨ Features

* 🔢 **Standard Calculator** – Basic arithmetic with real-time computation
* 📐 **Area Calculations** – Square, rectangle, circle, triangle, trapezoid, cylinder, sphere, cone
* 📦 **Volume Calculations** – Cube, rectangular prism, cylinder, cone, sphere, tetrahedron, trapezoidal prism
* 🌙 **Dark Mode** – Toggle between light and dark themes
* 🌍 **Multi-Language Support** – German (DE) and English (EN)
* 📏 **Unit System** – Support for mm, cm, m, km with automatic conversion
* 🔄 **Adjustable Rounding** – Configure decimal places (0–20)
* 🕓 **Calculation History** – Track last 3 calculations with SQLite storage
* ⚙️ **Persistent Settings** – All preferences saved automatically
* ⌨️ **Keyboard Support** – Full keyboard shortcuts for calculator operations

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## 🚀 Installation

1. Download **Survivalcalc_Installer.exe**
2. Run the installer
3. Select your language (Deutsch / English)
4. Follow the setup wizard
5. Choose optional shortcuts (Start Menu, Desktop)
6. Launch **Survivalcalc** from your shortcuts

**No additional setup required!**

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## 🎮 Quick Start

### Calculator
- Use on-screen buttons or keyboard numbers
- Press `=` or `Enter` to calculate
- Press `AC` or `Escape` to clear
- Use `Backspace` to delete last digit

### Shape Calculations
1. Open **Shapes** menu
2. Select area or volume calculation
3. Choose radius or diameter (if applicable)
4. Enter your dimensions
5. Select your units
6. Results update automatically

### Settings
- Toggle dark mode
- Enable/disable rounding
- Change default units
- Switch languages
- Manage calculation history

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## 🛠️ Technologies

* **Python** – Core application
* **Tkinter** – Cross-platform GUI
* **SQLite** – Calculation history storage
* **JSON** – Settings persistence

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## 💻 System Requirements

* **OS**: Windows 7 or later
* **RAM**: 50 MB minimum
* **Disk Space**: 10 MB
* **Internet**: Required for initial download only

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## ⌨️ Keyboard Shortcuts

| Key | Action |
|-----|--------|
| `0–9` | Number input |
| `+`, `−`, `×`, `÷` | Operations |
| `.` | Decimal point |
| `Enter` / `=` | Calculate |
| `Escape` / `C` | Clear |
| `Backspace` | Delete last digit |

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## 🗑️ Uninstallation

### Windows
1. Go to **Settings → Apps → Apps & Features**
2. Find **Survivalcalc**
3. Click **Uninstall**

Or run **Survivalcalc_Uninstaller.exe** directly.

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## 📬 Support

* 🌐 **Website**: [Github](https://github.com/survivalful/SurvivalCalc)
* 📧 **Email**: [team@survivalful.de](mailto:team@survivalful.de)

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## 📜 License

MIT License © 2026 Survivalful

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## 📊 Version Info

* **Version**: 1.0.0
* **Release**: 24.03.2026
* **Status**: Stable

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## ⭐ Support the Project

If you like Survivalcalc, consider sharing it with others!

**Enjoy calculating!** 🎯