>>I am faced with the need to create (actually participate with) an alphabetic numbering system. The sequence is straight forward, and looks like this:
>>
>>AAAA
>>AAAB
>>.
>>.
>>AAAZ
>>AABA
>>
>>etc.
>>
>>Really my only need is to be able to increment these codes by one, so I need a function that receives "DPRZ" and returns "DPSA". Get it?
>>
>>I am fairly confident that I can pound out the code to do this, but all of my ideas so far would take an enormous amount of code- can anybody think of a practical solution?
>

function my2Alpha
>lparameters tcValue, tnAdd
>lnValue = 0
>for ix=len(tcValue) to 1 step -1
>	lnValue = lnValue + ;
>	(asc(substr(tcValue,ix,1))-asc("A"))*26^(len(tcValue)-ix)
>endfor
>lnValue = lnValue + tnAdd
>lcNewValue = ""
>do while lnValue > 0
>	lcNewValue = chr(asc("A")+lnValue%26) + lcNewValue
>	lnValue = int(lnValue / 26)
>enddo
>return lcNewValue

Cetin

Another graceful solution. Cetin, check out the rest of the messages in the thread to see what we all came up with.