<?php
function __autoload($class)
{
include_once $class . ".php";
}
try {
$calc = new calculator();
echo "Mean:" . $calc->getMean() . "\n";
echo "Median:" . $calc->getMedian() . "\n";
echo "Mode:" . $calc->getMode() . "\n";
echo "Standard Deviation:" . $calc->getSD() . "\n";
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}