Marks

Hydrase

Jun 8th, 2025

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<!DOCTYPE html>
<html>
<head>
<title>Student Grade Calculator</title>
</head>
<body>
<h2>Enter Marks for 6 Subjects (out of 100)</h2>
<form method="post">
<?php
for ($i = 1; $i <= 6; $i++) {
echo "Subject $i: <input type='number' name='sub$i' min='0' max='100' required><br><br>";
}
?>
<input type="submit" name="submit" value="Calculate Grade">
</form>
<?php
if (isset($_POST['submit'])) {
$total = 0;
for ($i = 1; $i <= 6; $i++) {
$marks = $_POST["sub$i"];
$total += $marks;
}
$percentage = ($total / 600) * 100;
echo "<h3>Total Marks: $total / 600</h3>";
echo "<h3>Percentage: " . round($percentage, 2) . "%</h3>";
// Grade Calculation
if ($percentage < 40) {
echo "<h3>Grade: Failed</h3>";
} elseif ($percentage < 50) {
echo "<h3>Grade: D</h3>";
} elseif ($percentage < 60) {
echo "<h3>Grade: C</h3>";
} elseif ($percentage < 70) {
echo "<h3>Grade: B</h3>";
} elseif ($percentage < 80) {
echo "<h3>Grade: B+</h3>";
} elseif ($percentage < 90) {
echo "<h3>Grade: A</h3>";
} else {
echo "<h3>Grade: A+</h3>";
}
}
?>
</body>
</html>

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