What do you do when you've already used up all the letters in the alphabet when it comes to naming points?

When you're naming points (in geometry) in lines, radiuses, lign segments or planes and you've already used up all the letters in the alphabet (you have more than 27 points) then what do you name them as? Point AA? Or what?

What do you do when you've already used up all the letters in the alphabet when it comes to naming points?
I don't think I have ever come to that point but if I did I would just add numbers to the letters, as we normally do in geometry. A1, v6758 and soo on


This does not necessarily mean that it has to be connected with A or v
Reply:the general convention is to use what is known as a prime. so after going through the first set of letters one would go to A' (called A prime) and then B' and C' etc. after this is completed we would use another dash referred to a double prime e.g. A'' and so on.





In computer deisgn software, it is very common to have thousands of reference points in which case each reference point is given a number

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