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Calculator screenshot

Calculator

A polished browser-based calculator featuring arithmetic operations, percentage, sign toggle, a scrollable history log, and full keyboard input support — all in a single self-contained HTML file.

HTML5CSS3JavaScript

Interactive Demo

Run the interactive demo directly in this page, or open it in a dedicated tab for full-screen testing.

Open Demo

Demo Size

This interactive demo allows you to try Calculator. Use keyboard navigation to interact with the embedded content.

Project Information
Category:
Web
Status:
Completed
Type:
Interactive Demo
Technology Stack
HTML5CSS3JavaScript

How to Use Calculator

Follow this interactive guide to learn all the features and how to use this application effectively.

Step 1 of 333% Complete

Basic Operations

A full-featured calculator with keyboard support.

Instructions

  1. Click number buttons or use keyboard (0-9)
  2. Click operator buttons (+, -, ×, ÷) or use keyboard
  3. Press '=' or Enter to calculate result
  4. Use 'AC' or Escape to clear

Pro Tips

  • Full keyboard support for faster input
  • Decimal point available for precise calculations

Step 1 of 3