QuantumCalc от Yasir Shafique

QuantumCalc is a beautiful, fast, and privacy-focused calculator designed for everyday calculations directly inside Firefox.

• ➕ Basic arithmetic: addition, subtraction, multiplication, and division
• % Percentage calculations
• ± Positive/negative number toggle
• ⌫ Quick backspace and clear controls
• ⌨ Full keyboard support
• 🌙 Dark mode
• ☀ Light mode
• ⚡ Fast and lightweight
• 🔒 Completely offline
• 🛡 No tracking or data collection
• 🚫 No external website access or unnecessary permissions

QuantumCalc does not require an account, internet connection, additional software, or paid services. Your calculations remain on your device.

Built for users who want a simple, attractive, and distraction-free calculator available directly from the Firefox toolbar.