I think I mostly figured out the hash thing. (The answer is always hashes, isn't it!) Thanks guys!
BUT for instance I have a variable called CMB, for example, that uses a dice rolling subroutine, that gives me random numbers before the hash. (Can you tell what I'm doing? :P) I'm having a problem with this giving me the same dice roll every time.
Let's say A = 14 because I rolled a 14. But, after this value goes in the hash, it gets stuck at 14. So if I want to be able to stay in the program and keep typing in numbers, I will always get a 14 for A. Before it goes in the hash, I can keep getting new numbers for the rolls, but I want to get new numbers afterwards as well. Any help for this?

sub roll{
my ($a)=@_;
#chop($a);
($b,$constant)=split(/\+|\-/,$a);
($number,$dice)=split(/[dD]/, $b);
if ($constant==''){
$constant=0;
}
if($a=~ m/\-/){
$constant*=(-1);
}
$count=0;
for ($c=1; $c<=$number; $c++){
$d[$c]=int(rand($dice))+1;
$count += $d[$c];
}
$count += $constant;
if ($count<0){
$count=0;
}
return "$count";
}
$A=roll("1d20");
$B=roll("1d20");
$C=roll("1d20");
print "BEFORE HASH:$A\t$B\t$C\n";
%hash= (
A => "$A",
B => "$B",
C => "$C",
);
print "What would you like to know?\n\n";
$type=<STDIN>;
chomp($type);
until ($type eq "Q"){
#print "You typed .$type.\n";
print "\n\n$type: $hash{$type}\n";
print "What would you like to know?\n\n";
$type=<STDIN>;
chomp($type);
}