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🧮 Surveyor Calculator

A smart calculator built for surveyors and civil engineers, running fully offline in the browser.
Beyond standard arithmetic, it includes engineering‑focused tools for quick geometry, unit conversions, and field utilities.

✨ Features

🔢 Standard Calculator

  • All basic operations (+, −, ×, ÷).
  • Memory Functions (MC, M+, M−).
  • Percentage button.
  • Copy result with one click 📋.
  • Calculation history log with up to 25 records.

🌙 Appearance & Usability

  • Toggle Dark/Light Theme.
  • Modern UI styled like a mobile calculator.
  • Firework/spark animations 🎆 for feedback.

☰ More Functions (Engineering Toolkit)

Click More to unlock advanced tools:

  • π (Pi) constant insertion.
  • Roots & Powers: √x, ∛x, x², x³.
  • Geometry Calculators:
  • 🕳️ Circle Area (from diameter).
  • 🛢️ Cylinder Volume (from diameter & height).
  • 📐 Triangle Area (from three sides using Heron’s formula).
  • Survey Unit Conversions:
  • Ft → m (Feet–Inch to Meters).
  • m → Ft (Meters to Feet–Inch).
  • ⛓️ → m (Chain–Link to Meters).
  • m → ⛓️ (Meters to Chain–Link).

🕒 Productivity

  • History Panel → Revisit old calculations anytime.
  • Error Handling → Detects invalid inputs (e.g., impossible triangle sides).

🖼️ Preview

Screenshot 2025-08-26 114909

🚀 How to Use

  1. Open Surveyor Calculator.html in any browser.
  2. Use it like a normal calculator.
  3. Click More to access extended functions.
  4. Copy results or check history as needed.

📄 Example Usage

  • Standard: 25 × 4 = 100.
  • Circle: Input 12 (diameter) → Result = 113.10 (area).
  • Cylinder: Input 12-8 (d=12, h=8) → Result = 904.78 (volume).
  • Triangle: Input 3-4-5 → Result = 6 (area).
  • Conversion: 5-6 (5′6″) → 1.676 m.

⚡ Why Use This Tool?

  • 🧑‍💼 Tailored for surveyors & civil engineers.
  • 💻 Works completely offline (no internet needed).
  • 📱 Runs on mobile, tablet, and desktop.
  • 🎯 Combines calculator + mini engineering toolkit in one.

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