Welcome to Gaia! ::

10 REM Created by Alex
20 CLS
30 INPUT "What is your name"; $NAME
40 INPUT "And how old are you"; AGE
50 AGE = AGE + 3
60 PRINT "Really? I know somebody named "; $NAME; ", but they're "; AGE; "years instead."
70 END

if (isset($_POST['submitted'])) {
if (!isset($_POST['num1']) || !isset($_POST['num2'])) {
echo "

Error!

One or more fields were left blank.

";
} elseif (!is_numeric($_POST['num1']) || !is_numeric($_POST['num2'])) {
echo "

Error!

One or more fields contained invalid non-numeric characters.

";

} else {
$num1 = $_POST['num1']
$num2 = $_POST['num2']
if ($_POST['operate'] == "add") {
$total = $num1 + $num2;
echo "

Success!

Your equation equals $total.

n";
} elseif ($_POST['operate'] == "subtract") {
$total = $num1 - $num2;
echo "

Success!

Your equation equals $total.

n";
} elseif ($_POST['operate'] == "multiply") {
$total = $num1 * $num2;
echo "

Success!

Your equation equals $total.

n";
} else {
$total = $num1 / $num2;
echo "

Success!

Your equation equals $total.

n";
}

}

}
?>