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

✨ 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
• ⚡ Electricity Calculations – Voltage, current, resistance, and power with various formulas, plus a color band resistance calculator.
• 🌙 Dark Mode – Toggle between light and dark themes
• 🌍 Multi-Language Support – German (DE) and English (EN)
• 📏 Unit System – Support for pm, nm, μm, mm, cm, dm, m, km, Mm, Gm 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
• 🔄 Automatic Updates – Notifies you when a new version is available.

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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

Electricity Calculations

1. Open Shapes menu
2. Select Electricity
3. Choose the quantity to calculate (e.g., Voltage, Current)
4. Select the formula you want to use (e.g., U = I · R)
5. Enter your values
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 and update checks

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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

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📬 Support

• 🌐 Website: https://Survivalful.de
• 📧 Email: team@survivalful.de

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📜 License

GPL License © 2026 Survivalful

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📊 Version Info

• Version: 1.0.2
• Release: 24.03.2026
• Status: Stable

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⭐ Support the Project

If you like Survivalcalc, consider sharing it with others!

Enjoy calculating! 🎯