Why do some pins have lower case letters and some dont?

 Reed McLayRetired ModeratorPIN numbers are based on 16, not the usual 10 we are familiar with. It makes more sense for the computer becasue it matches up perfectly with binary 0 and 1 notation.
In Hexadecimal notation you have the numbers 09, a, b, c, d, e, f.
That means that some PIN numbers will have only the usual number and most others will have one or more of the letters.
Taken together, the 8 hex digits allow over 4 Billion unique PIN numbers.030110 02:54 PMLike 0  PIN numbers are based on 16, not the usual 10 we are familiar with. It makes more sense for the computer becasue it matches up perfectly with binary 0 and 1 notation.
In Hexadecimal notation you have the numbers 09, a, b, c, d, e, f.
That means that some PIN numbers will have only the usual number and most others will have one or more of the letters.
Taken together, the 8 hex digits allow over 4 Billion unique PIN numbers.030110 03:09 PMLike 0  I have a couple too that are in lowercase, and would also like to know this too. I have never noticed the different cases before. Good question!
Reed McLay, Can this binary code use lowercase and caps then? So this could be for even more overall unique PIN's?030110 03:14 PMLike 0  PIN numbers are based on 16, not the usual 10 we are familiar with. It makes more sense for the computer becasue it matches up perfectly with binary 0 and 1 notation.
In Hexadecimal notation you have the numbers 09, a, b, c, d, e, f.
That means that some PIN numbers will have only the usual number and most others will have one or more of the letters.
Taken together, the 8 hex digits allow over 4 Billion unique PIN numbers.
For example will the bbm distinguish between 1a3a5b7c and 1A3A5B7C?Last edited by bushako; 030110 at 03:59 PM.
030110 03:47 PMLike 0 
 PIN numbers are based on 16, not the usual 10 we are familiar with. It makes more sense for the computer becasue it matches up perfectly with binary 0 and 1 notation.
In Hexadecimal notation you have the numbers 09, a, b, c, d, e, f.
That means that some PIN numbers will have only the usual number and most others will have one or more of the letters.
Taken together, the 8 hex digits allow over 4 Billion unique PIN numbers.
Posted from my CrackBerry at wapforums.crackberry.com030110 04:41 PMLike 0  I noticed that on one my contacts too but found out it was because that PIN was no longer theirs. They had changed to a new device and did not load their old contact list. I could be wrong but that was the case for the pin with lowercase letters.
Posted from my CrackBerry at wapforums.crackberry.com030110 05:11 PMLike 0  PIN numbers are based on 16, not the usual 10 we are familiar with. It makes more sense for the computer becasue it matches up perfectly with binary 0 and 1 notation.
In Hexadecimal notation you have the numbers 09, a, b, c, d, e, f.
That means that some PIN numbers will have only the usual number and most others will have one or more of the letters.
Taken together, the 8 hex digits allow over 4 Billion unique PIN numbers.
so like 1a would actually be a 10 if I understand properly and 1A would be well 1A.030110 06:36 PMLike 0 

Posted from my CrackBerry at wapforums.crackberry.com030110 07:27 PMLike 0  they are lowercase because thats how you typed it when you added them by PIN i think. it doesnt matter if its lowercase or not, its all the same.030110 08:34 PMLike 0

Nah I tried that both ways with my friend earlier by deleting and re adding, still the same thing. I'm aware its all the same, and actually noticed this morning for the first time. I just thought there was some sort of reasoning behind it. Oh well I know it's nothing serious a pin is a pin .030110 08:55 PMLike 0  030110 10:03 PMLike 0
 Its just a silly nerd joke, Aaron. . For most people that are not programmers (GEEKS) the number 10 just means ten. In binary, the expression 10 means the number 2. When speaking a binary number aloud, 10 would be phrased as "one zero" or "two", rather than "ten". So, if you are a little nerdy you would read it as "There are only TWO types of people in this world Those that know binary and those that don't. I hope that explains it because I have just confirmed that I am probably one of the biggest nerds on this forum. Lol
Posted from my CrackBerry at wapforums.crackberry.com030110 10:41 PMLike 0  when you learned your abcd's in preschool, you were taught both uppercase and lowercase. you had to write them out repeatedly.but in the end to me, lowercase is more user friendly.030110 10:46 PMLike 0

 amazinglygracelessRetired ModIt does not matter if the letter is lower or uppercase.
1a2b3c4d is EXACTLY the same PIN as 1A2B3C4D. This was answered fully
in the first few post and most definitively by Reed.030110 11:12 PMLike 0 
 Its just a silly nerd joke, Aaron. . For most people that are not programmers (GEEKS) the number 10 just means ten. In binary, the expression 10 means the number 2. When speaking a binary number aloud, 10 would be phrased as "one zero" or "two", rather than "ten". So, if you are a little nerdy you would read it as "There are only TWO types of people in this world Those that know binary and those that don't. I hope that explains it because I have just confirmed that I am probably one of the biggest nerds on this forum. Lol
Posted from my CrackBerry at wapforums.crackberry.com
Posted from my CrackBerry at wapforums.crackberry.com030110 11:49 PMLike 0
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Why do some pins have lower case letters and some dont?
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