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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

Calculator

Simple calculator with calculation history

0

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.

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