Jay:

>Businesses that need to record and display really huge integers, like
>credit card transaction numbers, use base 36, where a single digit
>(character) can represent up to decimal 36. (64 would be possible with
>both upper and lower case, plus a symbol or two.)
>
>If you decide to do this, watch out. Programmers at Citibank recently
>were forced by customer complaints into a major re-programming project
>because their numbers sometimes contained dirty words!

Why not use a different font? Change the vowels to something else (i.e.,
star, square, wavy lines, dog/fire hydrant, etc.)?

tedd

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