Above written code shows a simple yet functional PHP calculator using a custom HTML form. Users input two numbers, select an operation, submit the form, and receive the result. …see more ...

Two input fields for entering numbers. A dropdown menu to select the operation. A submit button to calculate the result. PHP Handling: Processes the form input when the form is submitted. Converts ...

It is possible to change the look and feel of the calculator forms. To override all calculator forms at once, copy the view from the plugin views/content-calculator-form.php to the theme directory ...