Function Code for getting Column Letter from Column Number

[DocAElstein]

Function Code for getting Column Letter from Column Number
http://www.excelfox.com/forum/showth...=9837#post9837
Public Function CL(ByVal lclm As Long) As String

And Fuller version with explaining 'Comments

Public Function CL(ByVal lclm As Long) As String '         http://www.excelforum.com/development-testing-forum/1101544-thread-post-appendix-no-reply-needed-please-do-not-delete-thanks-4.html#post4213980
    Do: Let CL = Chr(65 + (((lclm - 1) Mod 26))) & CL: Let lclm = (lclm - (1)) \ 26: Loop While lclm > 0
End Function

Function FukOutChrWithDoWhile(ByVal lclm As Long) As String 'Using chr function and Do while loop      For example http://www.excelforum.com/excel-programming-vba-macros/796472-how-to-go-from-column-number-to-column-letter.html
Dim rest As Long 'Variable for what is "left over" after subtracting as many full 26's as possible
    Do
    '    Let rest = ((lclm - 1) Mod 26) 'Gives 0 to 25 for Column Number "Left over" 1 to 26. Better than ( lclm Mod 26 ) which gives 1 to 25 for clm 1 to 25 then 0 for 26
    '    Let FukOutChrWithDoWhile = Chr(65 + rest) & FukOutChrWithDoWhile 'Convert rest to Chr Number, initially with full number so the "units" (0-25), then number of 26's left over (if the number was so big to give any amount of 26's in it, then number of 26's in the 26's left over (if the number was so big to give any amount of 26 x 26's in it, Enit ?
    '    'OR
    Let FukOutChrWithDoWhile = Chr(65 + (((lclm - 1) Mod 26))) & FukOutChrWithDoWhile
    Let lclm = (lclm - (1)) \ 26 'This gives the number of 26's ( if any ), but just the excact part, in the next number down , - so applying the rest formula to this new number will again leave a difference "left over" rest.
    'lclm = (lclm - (rest + 1)) \ 26 ' As the number is effectively truncated here, any number from 1 to (rest +1)  will do in the formula
    Loop While lclm > 0 'Only loop further if number was big enough to still have 0-25's in it
End Function
Rem Ref    http://www.excelforum.com/development-testing-forum/1101544-thread-post-appendix-no-reply-needed-please-do-not-delete-thanks-4.html#post4213980
Rem Ref    http://www.excelforum.com/tips-and-tutorials/1108643-vba-column-letter-from-column-number-explained.html

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