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Calculator

🧮 Calculator App A clean and user-friendly calculator built with HTML, CSS, and JavaScript for quick everyday calculations. Designed for speed, accuracy, and simplicity—perfect for daily use.

·3 min read

By Davina Leong

A lightweight and responsive calculator designed for quick and accurate everyday calculations. Built with HTML, CSS, and TypeScript, this tool combines simplicity with precision to handle basic arithmetic operations with ease.

✨ Features

  • Instant Results: Perform addition, subtraction, multiplication, and division effortlessly.
  • Keyboard Support: Enter values directly using your keyboard for faster input.
  • Error Handling: Prevents invalid operations and ensures smooth user experience.
  • Responsive Design: Optimized for both desktop and mobile users.
  • Clean Interface: Minimal, clutter-free layout for focus and usability.

� How to Use

  1. Basic Calculations: Click number buttons (0-9) to input values, then use operation buttons (+, -, ×, ÷) for calculations
  2. Get Results: Press the equals (=) button or Enter key to calculate and display results
  3. Clear Display: Use the "Clear" button to reset the calculator for new calculations
  4. Decimal Numbers: Click the decimal (.) button to input decimal values
  5. View History: Click "Show History" to see your calculation history with previous results
  6. Reuse Results: Click any item in the history panel to load that result back into the calculator
  7. Clear History: Use the trash icon in the history panel to clear all previous calculations
  8. Responsive Layout: The calculator automatically adapts between mobile (stacked) and desktop (side-by-side) layouts

�💡 Perfect For

Students, professionals, and anyone who needs a quick and reliable on-the-go calculator.

Calculator

Simple calculator with calculation history

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