Simple Math Calculator

A lightweight, responsive calculator built with HTML, CSS, and JavaScript. Perfect for basic arithmetic operations, featuring a clean design, theme toggle, calculation history, and clipboard support.

Live Demo

Try it out here: https://jasonbra1n.github.io/simple-math-calculator/

Features

• Basic Operations: Addition (+), subtraction (−), multiplication (×), and division (÷).
• Responsive Design: Adapts to various screen sizes, from desktop to mobile.
• Theme Toggle: Switch between dark (default) and light modes with the 🌙 button.
• History: Displays the last calculation above the input.
• Clipboard Support: Copy results to your clipboard with the 📋 button.
• Keyboard Input: Use your keyboard for quick calculations (numbers, operators, Enter, Backspace).
• Clear Functions: Reset the display (C), delete characters (⌫), or clear history (🗑️).

Installation

To use this calculator locally:

1. Clone the repository:

   git clone https://github.com/jasonbra1n/simple-math-calculator.git

2. Open index.html in a web browser. No dependencies or build steps required—just pure HTML, CSS, and JavaScript!

Embedding in Your Website

You can embed this calculator into your own webpage using an iframe. Copy the code below:

<iframe src="https://jasonbra1n.github.io/simple-math-calculator/" width="440" height="490" frameborder="0" style="border: none;"></iframe>

Embedding Notes

• Size: The recommended dimensions are 440px wide by 490px tall, based on the calculator’s maximum width and content height.
• Responsive Tip: If your site has a narrower container, the calculator will adjust automatically (down to 90% of the iframe width on small screens).
• Customization: Fork this repo to modify styles or add features to suit your needs.

Usage

• Click the buttons or use your keyboard to input numbers and operators.
• Press = (or Enter) to calculate the result.
• Use C to clear the display, ⌫ to delete the last character, or 🗑️ to reset the history.
• Toggle the theme with 🌙 or copy the result with 📋.

Contributing

Feel free to submit issues or pull requests if you’d like to improve this project! Ideas for enhancements:

• Scientific calculator functions (e.g., sqrt, sin).
• More theme options.
• Persistent history across sessions.

License

This project is licensed under the MIT License - see the LICENSE file for details.