Inital commit

netcalc.php

@@ -0,0 +1,23 @@
+<?php
+
+if (isset($argv[1]))
+{
+    //$value=$argv[1];
+    $value=$argv[1];
+    if ($value < 0 || $value > 32)
+    {
+        print "Please enter an integer between 0 and 32 only\n";
+        exit;
+    }
+    $base=32-$value;
+    $netsize=pow(2, $base);
+    $hosts=$netsize-2;
+    print "$hosts\n";
+}
+
+else
+{
+    print "Enter something\n";
+}
+
+?>