Monday, 12 July 2021

Calculator | Best calculator | #Calculator | Tech

 Calculator | Best calculator | #Calculator | Tech

Calculator :


alert('please enter value first')"; exit(); } if ($number2 == ''){ echo ""; exit(); } if($operator == 'ADD'){ $result = $number1 + $number2; echo $result; } if($operator == 'SUBTRACT'){ $result = $number1 - $number2; echo $result; } if($operator == 'MULTIPLY'){ $result = $number1 * $number2; echo $result; } if($operator == 'DIVIDE'){ $result = $number1 / $number2; echo $result; } } ?>


Calculator | Calculator code| Best calculator code | #Calculator code | Tech

Calculator | Best calculator | #Calculator | Tech

Calculator

<?php

if(isset($_POST['submit'])){

$number1 = $_POST['number1'];

$number2 = $_POST['number2'];

$operator = $_POST['submit'];

if ($number1 == ''){

echo "<script>alert('please enter value first')</script>";

exit();

}

if ($number2 == ''){

echo "<script>alert('please enter value first')</script>";

exit();

}


if($operator == 'ADD'){

$result = $number1 + $number2;

echo $result;

}

if($operator == 'SUBTRACT'){

$result = $number1 - $number2;

echo $result;


}

if($operator == 'MULTIPLY'){

$result = $number1 * $number2;

echo $result;


}

if($operator == 'DIVIDE'){

$result = $number1 / $number2;

echo $result;


}

}

?>

<!DOCTYPE html>

<html>

<title></title>

<head></head>

<body>

<form action="newcalculater.php" method="POST">

<input type="text" name="number1" placeholder="Enter First Number">

<input type="text" name="number2" placeholder="Enter Second Number">

<br><br>

<input type="submit" name="submit" value="ADD">

<input type="submit" name="submit" value="SUBTRACT">

<input type="submit" name="submit" value="MULTIPLY">

<input type="submit" name="submit" value="DIVIDE">




</form>

</body>

</html>