Wow, fast responses from Naomi and Kevin. Thanks. Good to know I remembered this correctly. <g>

>>I'm creating a simple GUID, 5 digits followed by 5 characters (uppercase A-Z only). Am I right in calculating the number of possible permutations as:
>>
>>10 x 10 X 10 X 10 X 10 x 26 x 26 x 26 x 26 x 26 = 1,188,137,600,000
>>
>>Hey, it's been a long time since I had to do this!
>>
>>Russell Campbell
>
>Looks correct to me.