Fatal error: Maximum execution time of 320 seconds exceeded in c:\program files\apache group\apache\htdocs\spiral.php on line 51


the problem is that ...I want to use these functions and
I do not know Why it thake so long to calculate just the first line,...And what to say about the hole code...
IT can be possible to run this unde PHP Apache server?
unde Pascal it work fine...

Thanks,..
I hope somebody can help me...

//-------------------------------------------------------------
for($i = 1;$i = $n; $i++)
{
                   $a[$i][0] = 3.2*COS((4*3.1415+$i*(4*3.1415)/$n));
                   $a[$i][2] = 3.2*SIN((4*3.1415+$i*(4*3.1415)/$n));
                   $a[$i][1] = (0.25+$i/5);

}

//--------------------------------------------------------------
for($i = 1;$i = $n; $i++)
{
                   $b[$i][0] = 3.2*COS((4*3.1415+$i*(4*3.1415)/$n));
                   $b[$i][2] = 3.2*SIN((4*3.1415+$i*(4*3.1415)/$n));
                   $b[$i][1] = ($i/5);

}

//--------------------------------------------------------------
for($i = 1;$i = $n; $i++)
{
                   $c[$i][0] = 0.1*COS((4*3.1415+$i*(4*3.1415)/$n));
                   $c[$i][2] = 0.1*SIN((4*3.1415+$i*(4*3.1415)/$n));
                   $c[$i][1] = (0.25+$i/5);

}

//--------------------------------------------------------------
for($i = 1;$i = $n; $i++)
{
                   $d[$i][0] = 2.95*COS((4*3.1415+$i*(4*3.1415)/$n));
                   $d[$i][2] = 2.95*SIN((4*3.1415+$i*(4*3.1415)/$n));
                   $d[$i][1] = (0.25+$i/5);

}

//--------------------------------------------------------------
for($i = 1;$i = $n; $i++)
{
                   $e[$i][0] = 2.95*COS((4*3.1415+$i*(4*3.1415)/$n));
                   $e[$i][2] = 2.95*SIN((4*3.1415+$i*(4*3.1415)/$n));
                   $e[$i][1] = (0.25+$i/5);

}

//--------------------------------------------------------------
for($i = 1;$i = $n; $i++)
{
                   $f[$i][0] = 2.95*COS((4*3.1415+i*(4*3.1415)/$n));
                   $f[$i][2] = 2.95*SIN((4*3.1415+i*(4*3.1415)/$n));
                   $f[$i][1] = (0.25+$i/5);

}

//--------------------------------------------------------------