SuperCalc – Smart Calculator

⚡ SuperCalc — The Smartest Calculator Extension for Chrome
Say goodbye to opening a new tab just to do a quick calculation. SuperCalc is a fast, beautiful, and powerful calculator that lives right in your browser toolbar — one click or Alt+C away, every time.
Whether you're a student, developer, accountant, or just someone who crunches numbers daily, SuperCalc is designed to get out of your way and give you answers instantly.

🔢 STANDARD CALCULATOR

A clean, distraction-free calculator with all the basics you need:
• Addition, subtraction, multiplication, division
• Percentage ( % ) calculations
• Sign toggle ( +/− )
• Decimal point support
• Live expression preview — see what you typed before you hit equals
🔬 SCIENTIFIC MODE

One tap on the "Scientific" pill unlocks a full row of advanced functions:
• Trigonometry: sin, cos, tan
• Logarithm: log
• Square root: √
• Powers: x², xⁿ (any exponent)
• Constants: π (pi), e (Euler's number)
• Reciprocal: 1/x
• Auto-closes unclosed parentheses — no more syntax errors!
🕐 UNLIMITED CALCULATION HISTORY

Every calculation is automatically saved so you never lose a number:
• Unlimited history — scroll back as far as you need
• Tap any history entry to instantly load its result back into the calculator
• Delete individual entries or clear everything at once
• History persists across browser sessions (saved in Chrome storage)

⌨️ KEYBOARD-FIRST EXPERIENCE

SuperCalc is built for people who live on the keyboard:
• Type numbers with your main keyboard row or numpad (0–9)
• + − * / operators work directly from the keyboard
• Enter or = to calculate
• Backspace to delete the last character or token
• Escape to clear everything
• Alt+C global shortcut to open the calculator from any tab

📴 WORKS OFFLINE — 100% LOCAL

SuperCalc requires zero internet connection. Once installed, it works everywhere:
• On a flight in airplane mode
• In areas with no Wi-Fi or mobile data
• No server calls, no tracking, no ads — completely private

🎨 BEAUTIFUL, MINIMAL DESIGN

We obsessed over every pixel so you don't have to:
• Dark theme with warm orange accents — easy on the eyes
• DM Mono font for crisp number display
• Smooth animations when switching modes or opening history
• Responsive layout that fits Chrome's popup constraints perfectly
🔒 PRIVACY FIRST

SuperCalc only uses the "storage" permission — to save your history locally in Chrome. That's it. No browsing data. No analytics. No ads. No external network requests.

📋 HOW TO USE

1. Click the SuperCalc icon in your Chrome toolbar (or press Alt+C)
2. Start typing or clicking numbers and operators
3. Press = or Enter to see the result
4. Switch to Scientific mode for advanced functions
5. Click the clock icon to view your calculation history

❓ FAQ

Q: Does it work offline?
A: Yes. SuperCalc is fully self-contained and works without any internet connection.
Q: Will my history be deleted when I close Chrome?
A: No. History is saved in Chrome's local storage and persists between sessions.
Q: How do I open it quickly without clicking?
A: Use the keyboard shortcut Alt+C (Windows/Linux) to open SuperCalc from any tab.
Q: Can I use scientific functions like sin or log?
A: Yes — click "Scientific" in the mode row or the ƒ icon in the header to expand the scientific function row.
Q: Is it free?
A: Yes, completely free — no ads, no premium tier, no account required.
👨‍💻 DEVELOPER

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