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# Column number code of EXCEL

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### #1 Inmost sun

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Posted 10 November 2012 - 07:27 AM

Excel uses a triple letter code to specify columns;

does anyone know a system or formula to transfer such code to a real number;

f.i. "ATE" means which number?

Edited by Inmost sun, 10 November 2012 - 07:28 AM.

### #2 pcrman

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Posted 10 November 2012 - 09:25 AM

I guess you need a simple script to convert the alphabetic code to numeric.

ATE = (26 x 26 +1) + (26 x 20) + 5  = 1202 (I hope my calculation is right)

another example:
IV = 265 = 9 x 26 + 22 = 256

You can do it directly in Excel if you are using Excel 2007 or above. See this video

### #3 Inmost sun

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Posted 15 November 2012 - 12:07 AM

but I think there is a slight mistake in your formula:

You wrote:
ATE = (26 x 26 +1) + (26 x 20) + 5  = 1202

but I think it must be:
ATE = (26 x 26 x 1) + (26 x 20) + 5  = 1201

Edited by Inmost sun, 15 November 2012 - 01:30 AM.