A simple calculator created using React JS.

Here's the final result:

1. Clone my repository or download the zip file
2. If you're downloading the zip file, extract the zip file to a folder
3. Make sure you installed Node package manager. If not download it from here:

https://www.npmjs.com/package/download

4. Open the folder with a code editor like VS code or any IDE.
5. Open terminal in the editor and enter 'npm install' This will install all required dependencies in the node_modules.
6. After installing node modules, enter 'npm start' to start the development server. Happy coding! :)