derivace.php

<span class="nadpis">
<?php echo __("Derivative and partial derivative");?>
</span>

<?php maw_before_form()?><form name="exampleform" id="exampleform"
<?php echo $onsubmit;?>
<?php formmethod();?> action="<?php echo($server);?>/derivace/derivace.php">
<?php polejazyka($lang); ?>
<?php 
   $function=rawurldecode($_REQUEST["function"]); 
if ($function=="")
  {
    $function="x^3*exp(x^2)";
  }
?>


<label for="funkce">
   <?php echo __('Function'); ?>
</label>
&nbsp;&nbsp;<span style="font-style:
italic;">f=</span> <input size="60" name="funkce" id="in-funkce" title=""
value="<?php echo $function; ?>">
<input value="<?php echo(__("Editor")); ?>" onclick="edit('funkce')" type="button" class="tlacitko editor">
<input value="<?php echo(__("Preview")); ?>" title="<?php echo($previewmsg); ?>" onclick="previewb('funkce')" type="button" class="tlacitko">

<?php hint_preview(); ?>

<input name="linear" type="checkbox" checked="on" id="ch-linear" title=""> 
<?php echo __('automatically use linearity of derivative');?>
<br>
<input name="constants" type="checkbox" id="ch-constants" title=""> 
<?php echo __('automatically differentiate constants');?>
<br>
<br>
<fieldset class="vnitrni">
<legend>
<?php echo __("The type of the derivative");?>
</legend>
<input name="akce" type="radio" checked="checked" value="0" id="ch-0" title=""> 
	<?php echo __("Ordinary derivative (function in one variable)");?>
<br>
<input name="akce" type="radio" value="1" id="ch-1" title=""> 
	<?php echo __("Partial derivative with respect to <i>x</i> (function in two variables)");?>
<br>
<input name="akce" type="radio" value="2" id="ch-2" title=""> 
	<?php echo __("Partial derivative with respect to <i>y</i> (function in two variables)");?>
</fieldset>
<?php echo $submitbutton;?>

</form><?php maw_after_form(); ?>

<?php history("derivace",$server); 




?>