# exp.
$n = 2;
$e_n = exp($n);
print "e^$n = $e_n\n";
sub my_factorial {
my $n = shift;
my $s=1;
my $r=1;
while ($s <= $n) {
$r *= $s;
$s++;
}
if($n == 0) {
$r=0;
}
return $r;
}
sub my_exp_x {
my $x = shift;
my $max_iterations = shift;
my $result = 1 + $x;
my $i = 2;
while ($i < $max_iterations) {
$result += ($x ** ($i)) / (my_factorial($i));
$i++;
}
return $result;
}
print "test: ", my_exp_x($n,1000);
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