[php]
<?php
if($action==calculate){
///grabs the numbers that would be submitted in the form
$number1['number']=$_POST['number1'];
$num_sys_start['base']=$_POST['start'];
$num_sys_end=$_POST['end'];
///sets what the maximim value a digit can be
$num_sys_start['max']=$num_sys_start['base']-1;
////grabs the lenght of the number to be converted
$number1['length']=strlen($number1['number']);
/*in any number system, the first place always is one, the second is the 'modifier' times the place before it. In the base 10 number system, the first spot is 1, the second is 10(1*10), the third is 100(10*10), the fourth is 1000(100*10) and so on. this right here sets what each place is*/
$total=1;
$calculated=1;
while($calculated<=$number1['length']){
$num_calculate_values[$calculated]=$total;
$total=$total*$num_sys_start['base'];
$calculated++;
}
////after the last
$calculated--;
$int_start=0;
while($length1>=1){
$num_start_values[multiplied]=substr($number1['number'], $int_start, 1);
$calculated--;
$int_start++;
}
$calculated=1;
while($calculated<=$number1['length']){
$num_total_values['$calculated']=$num_start_values['$calculated']*$num_calculate_values['$calculated'];
$calculated++;
}
$calculated=1;
$result=0;
while($calculated<=$number1['length']){
$result=$result+$num_total_values['$calculated'];
$result++;
}
echo"$number1[number] has been converted from the base $start number system to the base $end number
system, and resulted in <span style=\"font-size: 14px; font-weight: strong;\">$result</span>.<br />";
}
echo"
<table>
<tr>
<td>
I want to take
</td>
<td>
<form method=\"post\" action=\"$PHP_SELF?action=calculate\">
<input type=\"text\" name=\"number1\" value=\"$number1[number]\" />
</td>
</tr>
<tr>
<td>
From the number system Base
</td>
<td>
<select name=\"start\">
<option value=\"2\">2</option>
<option value=\"3\">3</option>
<option value=\"4\">4</option>
<option value=\"5\">5</option>
<option value=\"6\">6</option>
<option value=\"7\">7</option>
<option value=\"8\">8</option>
<option value=\"9\">9</option>
</select>
</td>
</tr>
<tr>
<td>
To the number system Base
</td>
<td>
<select name=\"end\">
<option value=\"10\">10</option>
</select>
</td>
</tr>
<tr>
<td colspan=\"2\" align=\"center\">
<input type=\"submit\" value=\"Calculate!\" />
</td>
</tr>
</table
[/php]
Is it difficult to read?