Wednesday, November 25, 2020

Square Root a Number in PHP

 In this tutorial, I will show how to write a PHP program that will ask the user to give a number and then the program will convert the given number to its square equivalent.

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Program Listing

<html>

  <head> 

   <title>Square Root a Number in PHP </title>

  </head>

  <body> 

      <style type="text/css">

      

      body {

        font-family: arial;

            size: 12px;

      };


        </style>

    <?php

 

     $num_values = $_POST['num_val'];


  

   if(isset($_POST['submit'])) {

                  

      $square_root = sqrt($num_values);


      $results ="The Square Root number

       equivalent of $num_values is $square_root.";

    }


 if(isset($_POST['clear'])) {

      $num_values = "";

      $results = "";

    }

?>


  <h2> Square Root a Number in PHP </h2>

  <p> Mr. Jake Rodriguez Pomperada,MAED-IT, MIT </p>

<form method="post">

   <p>Give a Number <input 

    type="numeric" name="num_val"

     value="<?php echo $num_values; ?>" autofocus required /></p>

      

<input type="submit" name="submit" 

   title="Click here to compute the square value. "

   value="Submit" />

   

    &nbsp;&nbsp;&nbsp;

    <input type="submit" name="clear" 

    title="Click here to clear the textbox."

    value="Clear" />

</form>


<?php

   echo $results;

?>

</body>

</html>

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