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  Classes of Julian Sanchez  >  Probabilistic  >  sample.php  >  Download  
File: sample.php
Role: Example script
Content type: text/plain
Description: Example script
Class: Probabilistic
Perform common probabilistic analisis calculations
Author: By
Last change: Fix inputs bad names.
Date: 2004-11-19 06:06
Size: 27,874 bytes
 

Contents

Class file image Download
<? include "./Probabilistica.obj.php"; ?>
<html>
<head>
<title>FUNCIONES PROBABILISTICAS</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css">
<!--
td {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
}
input {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #666666;
}
.result {
	font-weight: bold;
	color: #FF0000;
	height: 20px;
	border: 1px dotted #CCCCCC;
}
-->
</style>
<style type="text/css">
<!--
body {
	font-family: Arial, Helvetica, sans-serif;
	color: #666666;
}
select {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #333333;
}
-->
</style>
</head>
	
<body bgcolor="#F9F9F9">
<? //var_dump($HTTP_GET_VARS); 
	$prob = new Probabilistica;
	switch ($funcion){
		case 1:
			$factorial	=$prob->fact($x); break;
		case 2:
			$combinatoria = $prob->comb($z,$w); break;
		case 3:
			$interpolar	= $prob->interpolar($x1,$a1,$x2,$a2,$y);
		case 4:
			$media 		= $prob->media($n,$p); break;
		case 5:
			$desviacion	= (!$q1) ? $prob->desviacion($n1,$p1) : $prob->desviacion($n1,$p1,$q1);
			if(!$q1) $q1 = 1 - $p1;	break;
		case 6:
			$varianza	= (!$q1) ? $prob->varianza($n1,$p1) : $prob->desviacion($n1,$p1,$q1);
			if(!$q1) $q1 = 1 - $p1;	break;
		case 7:
			$densidad_de_Poison = $prob->dens_poison($k,$t); break;
		case 8:
			$distribucion_de_Poison = $prob->dist_poison($k,$t); break;
		case 9:
			$densidad_binomial = $prob->dens_binomial($k2,$n2,$p2); break;
		case 10:
			$distribucion_binomial = $prob->dist_binomial($k2,$n2,$p2); break;
		case 11:
			$densidad_hipergeometrica = $prob->dens_hiperg($k3,$n3,$m3,$j3); break;
		case 12:
			$distribucion_hipergeometrica = $prob->dist_hiperg($k3,$n3,$m3,$j3); break;
		case 13:
			$area	= $prob->getAval($Zval); break;
		case 14:
			$Z	=$prob->getZval($A); break;
		case 15:
			$desviacion_nomral = $prob->Z($X,$media,$desviacion); break;
		case 16:
			$distribucion_nomral = $prob->areaZ($X,$n4,$p4,$P,$signo); break;		
	}
?>
<center>
  <font size="5"><B>FUNCIONES PROBABILISTICAS</B></font>
</center>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr>
    <td><fieldset><legend>Funciones Generales</legend>
			
       <table width="100%" border="0" cellspacing="5" cellpadding="0">
		  <tr>
			<td width="50%">
			<? $fnc = "factorial"; 
			   $fncN = 1;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
				<a name="<?=$fncN?>"></a>
				
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"><strong>Numero</strong> 
                    <input name="x" type="text" size="7" value="<?=$x?>"></td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc ?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				
			</td>
			<td>
			<? $fnc = "combinatoria"; 
			   $fncN = 2;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"><table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr>
                        <td width="25%" align="right"><strong>Valor 1</strong></td>
                        <td width="25%"><input name="z" type="text" size="7" value="<?=$z?>"></td>
                        <td width="25%" align="right"><strong>Valor 2</strong></td>
                        <td width="25%"><input name="w" type="text" size="7" value="<?=$w?>"></td>
                      </tr>
                    </table>
                    <strong> </strong> </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form></td>
		  </tr>
		</table>
		<table width="100%" border="0" cellspacing="5" cellpadding="0">
		  <tr>
			<td><? $fnc = "interpolar"; 
			   $fncN = 3;
				?>
			<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
			  <a name="<?=$fncN?>"></a>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						<td align="center">
							<table width="100%" border="0" cellspacing="0" cellpadding="0">
                      <tr> 
                        <td align="center" nowrap><strong>x1. 
                          <input name="x1" type="text" size="7" value="<?=$x1?>">
                          </strong></td>
                        <td align="center">-----></td>
                        <td align="center" nowrap><strong>a1. 
                          <input name="a1" type="text" size="7" value="<?=$a1?>">
                          </strong></td>
                      </tr>
                      <tr> 
                        <td align="center"></td>
                        <td align="center"></td>
                        <td align="center" nowrap><strong>Y&nbsp;&nbsp;&nbsp; 
                          <input name="y" type="text" size="7" value="<?=$y?>">
                          </strong></td>
                      </tr>
                      <tr> 
                        <td align="center" nowrap><strong>x2. 
                          <input name="x2" type="text" size="7" value="<?=$x2?>">
                          </strong></td>
                        <td align="center">-----></td>
                        <td align="center" nowrap><strong>a2. 
                          <input name="a2" type="text" size="7" value="<?=$a2?>">
                          </strong></td>
                      </tr>
                    </table>	    
						</td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					<input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				</fieldset>
			
			   </td>
			<td width="30%^">
			<? $fnc = "desviacion"; 
			   $fncN = 5;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"> <br>
                    <table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr> 
                        <td align="right" width="50%"><strong>Numero de exitos 
                          </strong></td>
                        <td><input name="n1" type="text" size="7" value="<?=$n1?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Probabilidad de exito </strong></td>
                        <td><input name="p1" type="text" size="7" value="<?=$p1?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Pro. fracaso </strong>(opcional) 
                        </td>
                        <td><input name="q1" type="text" size="7" value="<?=$q1?>"></td>
                      </tr>
                    </table>
                  </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result"> 
                    <?=$$fnc ?>
                    &nbsp;<br>
                  </td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
			   </td>
			<td width="30%">
			<? $fnc = "varianza"; 
			   $fncN = 6;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						<br>
                  <td align="center"><table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr> 
                        <td align="right" width="50%"><strong>Numero de exitos 
                          </strong></td>
                        <td><input name="n1" type="text" size="7" value="<?=$n1?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Probabilidad de exito</strong></td>
                        <td><input name="p1" type="text" size="7" value="<?=$p1?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Pro. fracaso </strong>(opcional) 
                        </td>
                        <td><input name="q1" type="text" size="7" value="<?=$q1?>"></td>
                      </tr>
                    </table> 
						</td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result"> 
                    <?=$$fnc ?>
                    &nbsp;<br>
                  </td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
			</td>
		  </tr>
		</table>
		</fieldset>
	</td>
  </tr>
  <tr>
    <td>
	<fieldset>
      <legend>Funciones de Densidad y Distribucion de Poison</legend>
			
       <table width="100%" border="0" cellspacing="5" cellpadding="0">
		  <tr>
			<td width="50%">
			<? $fnc = "densidad_de_Poison"; 
			   $fncN = 7;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"> 
				  <table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr>
                        <td align="right" width="50%"><strong>Numero de Sucesos</strong></td>
                        <td><input name="k" type="text" size="7" value="<?=$k?>"></td>
                      </tr>
                      <tr>
                        <td align="right"><strong>Media</strong></td>
                        <td><input name="t" type="text" size="7" value="<?=$t?>"></td>
                      </tr>
                    </table>
                  </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				
			</td>
			<td><? $fnc = "distribucion_de_Poison"; 
			   $fncN = 8;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?> (Acumulado) </legend>
			  <a name="<?=$fncN?>"></a>
              <table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"><table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr>
                        <td align="right" width="50%"><strong>Numero de Sucesos</strong></td>
                        <td><input name="k" type="text" size="7" value="<?=$k?>"></td>
                      </tr>
                      <tr>
                        <td align="right"><strong>Media</strong></td>
                        <td><input name="t" type="text" size="7" value="<?=$t?>"></td>
                      </tr>
                    </table>
					</td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				</td>
		  </tr>
		</table>
		<table width="100%" border="0" cellspacing="5" cellpadding="0">
		  
		</table>
		</fieldset>
	</td>
  </tr>
  <tr>
    <td>
	<fieldset>
      <legend>Funciones de Densidad y Distribucion Binomial</legend>		
       <table width="100%" border="0" cellspacing="5" cellpadding="0">
		  <tr>
			<td width="50%">
			<? $fnc = "densidad_binomial"; 
			   $fncN = 9;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"> <table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr> 
                        <td width="50%" align="right"><strong>Numero de exitos</strong></td>
                        <td><input name="k2" type="text" size="7" value="<?=$k2?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Ensayos</strong></td>
                        <td><input name="n2" type="text" size="7" value="<?=$n2?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Probabilidad</strong></td>
                        <td><input name="p2" type="text" size="7" value="<?=$p2?>"></td>
                      </tr>
                    </table>
                    
                  </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				
			</td>
			<td><? $fnc = "distribucion_binomial"; 
			   $fncN = 10;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?> (Acumulado) </legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"> <table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr> 
                        <td width="50%" align="right"><strong>Numero de exitos</strong></td>
                        <td><input name="k2" type="text" size="7" value="<?=$k2?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Ensayos</strong></td>
                        <td><input name="n2" type="text" size="7" value="<?=$n2?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Probabilidad</strong></td>
                        <td><input name="p2" type="text" size="7" value="<?=$p2?>"></td>
                      </tr>
                    </table></td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				</td>
		  </tr>
		</table>
		<table width="100%" border="0" cellspacing="5" cellpadding="0">
		  
		</table>
		</fieldset>
	</td>
  </tr>
  <tr>
    <td><fieldset>
      <legend>Funciones de Densidad y Distribucion Hipergeometrica</legend>		
       <table width="100%" border="0" cellspacing="5" cellpadding="0">
		  <tr>
			<td width="50%">
			<? $fnc = "densidad_hipergeometrica"; 
			   $fncN = 11;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"> <table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr> 
                        <td width="50%" align="right"><strong>Exitos en la muestra </strong></td>
                        <td><input name="k3" type="text" size="7" value="<?=$k3?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Tamaņo Muestra</strong></td>
                        <td><input name="n3" type="text" size="7" value="<?=$n3?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Exitos en poblacion</strong></td>
                        <td><input name="m3" type="text" size="7" value="<?=$m3?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Poblacion</strong></td>
                        <td><input name="j3" type="text" size="7" value="<?=$j3?>"></td>
                      </tr>
                    </table>
                  </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				
			</td>
			<td><? $fnc = "distribucion_hipergeometrica"; 
			   $fncN = 12;
				?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?> (Acumulado) </legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center">  <table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr> 
                        <td width="50%" align="right"><strong>Exitos en la muestra </strong></td>
                        <td><input name="k3" type="text" size="7" value="<?=$k3?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Tamaņo Muestra</strong></td>
                        <td><input name="n3" type="text" size="7" value="<?=$n3?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Exitos en poblacion</strong></td>
                        <td><input name="m3" type="text" size="7" value="<?=$m3?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Poblacion</strong></td>
                        <td><input name="j3" type="text" size="7" value="<?=$j3?>"></td>
                      </tr>
                    </table>
				   </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				</td>
		  </tr>
		</table>
		<table width="100%" border="0" cellspacing="5" cellpadding="0">
		  
		</table>
		</fieldset>
	</td>
  </tr>
  <tr>
    <td><fieldset>
      <legend>Funciones de valores en la tabla Normal</legend>
      <table width="100%" border="0" cellspacing="5" cellpadding="0">
		  <tr>
			<td width="50%">
			<? $fnc = "area"; 
			   $fncN = 13;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"> <strong>Valor de Z</strong> 
                    <input name="Zval" type="text" size="7" value="<?=$Zval?>">
                   </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				
			</td>
			<td><? $fnc = "Z"; 
			   $fncN = 14;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
			  <a name="<?=$fncN?>"></a>
              <table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"> <strong>Area</strong> 
                    <input name="A" type="text" size="7" value="<?=$A?>">
                    </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result"> 
                    <? if(is_array($$fnc)){	?>
                    <select>
								<?	foreach($$fnc as $val){	?>
									<option><?=$val?></option>
								<?  } ?>
								</select>
                    <?	} else echo $$fnc; ?>
                    &nbsp; </td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				</td>
		  </tr>
		</table>
		<table width="100%" border="0" cellspacing="5" cellpadding="0">
		  
		</table>
		</fieldset></td>
  </tr>
  <tr>
    <td><fieldset>
      <legend>Funciones Distribucion Normal</legend>		
       <table width="100%" border="0" cellspacing="5" cellpadding="0">
		  <tr>
			<td width="50%">
			<? $fnc = "desviacion_nomral"; 
			   $fncN = 15;
			?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?></legend>
              <a name="<?=$fncN?>"></a> <br>
              <br>
              <table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center"> <table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr> 
                        <td width="50%" align="right"><strong>Tama&ntilde;o muestra 
                          (X) </strong></td>
                        <td> 
                          <input name="X" type="text" size="7" value="<?=$X?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Media (&micro;)</strong></td>
                        <td><input name="media" type="text" size="7" value="<?=$media?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Desviacion (<font face="Courier New, Courier, mono">&Otilde;</font>)</strong></td>
                        <td><input name="desviacion" type="text" size="7" value="<?=$desviacion?>"></td>
                      </tr>
                    </table>
                  </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					<br>

				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				
			</td>
			<td><? $fnc = "distribucion_nomral"; 
			   $fncN = 16;
				?>
			<form action="#<?=$fnc?>" method="post" name="<?=$fnc?>">
				<fieldset>
              <legend>Hallar <?=ucfirst($fnc)?> (Acumulado) </legend>
				<a name="<?=$fncN?>"></a>
					<table width="100%" border="0" cellspacing="0" cellpadding="0">
					  <tr>
						
                  <td align="center">  <table width="100%" border="0" cellspacing="0" cellpadding="1">
                      <tr> 
                        <td width="50%" align="right"><strong>Tama&ntilde;o muestra 
                          (X) </strong></td>
                        <td><input name="X" type="text" size="7" value="<?=$X?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Numero de exitos (n)</strong></td>
                        <td><input name="n4" type="text" size="7" value="<?=$n4?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Probabilidad de exito (p)</strong></td>
                        <td><input name="p4" type="text" size="7" value="<?=$p4?>"></td>
                      </tr>
                      <tr> 
                        <td align="right"><strong>Signo</strong> (opcional)</td>
                        <td>
							<select name="signo">
								<option value="" <?=(!$signo)?"selected":""?>>none</option>
								<option value="&gt=" <?=($signo==">=")?"selected":""?>>&gt;=</option>
								<option value="&gt" <?=($signo==">")?"selected":""?>>&gt;</option>
								<option value="&lt;" <?=($signo=="<=")?"selected":""?>>&lt;=</option>
								<option value="&lt;" <?=($signo=="<")?"selected":""?>>&lt;</option>								
							</select>
						</td>
                      </tr>
					   <tr> 
                        <td align="right"><strong>P </strong>(opcional)</td>
                        <td><input name="P" type="text" size="7" value="<?=$P?>"></td>
                      </tr>
                    </table>
				   </td>
					  </tr>
					  <tr>
						<td align="center"><input name="<?=$fnc?>" type="submit" value="Hallar"></td>
					  </tr>
					  <tr>
						
                  <td align="center" class="result">
                    <?=$$fnc?>
                    &nbsp;</td>
					  </tr>
					</table>
					
				</fieldset><input type="hidden" name="funcion" value="<?=$fncN?>">					
				</form>
				</td>
		  </tr>
		</table>
		<table width="100%" border="0" cellspacing="5" cellpadding="0">
		  
		</table>
		</fieldset>
	</td>
  </tr>
</table>


</body>
</html>