PHP Calculator

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----------------------------------- Project Description -----------------------------------

in this php tutorial we will see how to create a basic calculator web page where users can perform addition, subtraction, multiplication, division, square root, and power operations on two numbers.
It provides input validation and displays the result or error messages on the page..

What We Will Use To Build This Project ? :
- PHP Programming Language.
- JavaScript Programming Language.
- HTML & CSS.
- VSCode Editor.

What We Will Do In This PHP Calculator:
- checks if the form has been submitted
- retrieves the user's input (two numbers and the selected operation) from the form.
- performs input validation to ensure that the entered values are numeric
- performs the calculation based on the selected operation.
- display calculated result or any error messages on the web page.

---------------------------------- TABLE OF CONTENT ----------------------------------

▶ 00:00:00 The Final Result Overview
▶ 00:01:45 Create The Calculator Form
▶ 00:13:00 Add CSS Style To The Calculator Form
▶ 00:36:00 Add PHP Code For Calculation
▶ 00:57:15 Add JS Script

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