It was an example of how the conversion works. In my case the numbers wouldn't be uniqe any more. (Quess i've should have mentioned that in the first post )

I was waiting for james to tell me what he wanted to do before I elaborated some more.

I have been toying around with making calculations with big numbers as a string using the old arithmetic rules:

$nr1="123456789"
$nr2="234567890"

Take the last number of the second string and multiply the last number of the first string, place the last digit in a answer string and remeber the first digit to add to the calculation of the second calculation.

But... as much as I hate to s(h)ell out to a simple calculator, this was so bulky and slow I didn't have the heart to post it on this board

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Greetz,

Roger the Young
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The code is out there...
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