In this tutorial, you will learn how to build a simple calculator using PHP and HTML.
We will use an HTML form to take user input and the POST method to process the data using PHP.
Concepts Covered:
✔ HTML Form
✔ POST Method
✔ $_POST Superglobal
✔ PHP Variables
✔ Arithmetic Operators
✔ echo Statement
✔ Server-Side Scripting