CleanCalc 作者： Ajay
Clean, minimal Firefox popup calculator with dual themes, history, percent and keyboard support.
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🧮 A calm, minimal popup calculator for Firefox. Dual themes (Blue / Beige), fast keyboard input, clear instant errors (∞ for divide‑by‑zero), and a tidy history you can tap to reuse. No clutter. No tracking. Just calculate.
Why CleanCalc?
✨ Clean typography & spacing
🔒 Safe custom parser (no
⚡ Keyboard friendly
🎨 Two quiet themes (persistent)
♻️ Tap history entry to reuse it
📋 Copy result with one click
0️⃣ Local-only storage (expression, result, history, theme)
Features
Privacy
No analytics. No remote calls. Nothing leaves your browser.
Why CleanCalc?
✨ Clean typography & spacing
🔒 Safe custom parser (no
eval, no network)⚡ Keyboard friendly
🎨 Two quiet themes (persistent)
♻️ Tap history entry to reuse it
📋 Copy result with one click
0️⃣ Local-only storage (expression, result, history, theme)
Features
- Basic arithmetic + parentheses + unary minus
- Percent shorthand:
50%→0.5(works inline) - Clear error flashes (Syntax, Mismatch (), ∞, etc.)
- History (reuse by clicking) + result copy button
Privacy
No analytics. No remote calls. Nothing leaves your browser.
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