Sindbad~EG File Manager

<?php
$problemtype = $COMPAREDERIV = 16;   // from mainchoi.h 
$topic = 30;   // comparefandf'
$title = "Compare f and f'"; 
$promptID = "comparederiv";
$placeholderID = "shadowCompareDerivID"; 
$placeholder = "shadowCompareDeriv"; 
$placeholderText = "y = sin x,  or f(x) = sin x,  or just sin x";
include 'OneGraph.php';  // it's only one formula entry form 
?>