The Bijective Base-26 System
The bijective base-26 system is also known as base 26 without a zero. It is a base twenty-six positional numeral system that does not use a digit to represent zero. It uses digits "A" to "Z" to represent one to twenty-six.
The number sequence goes A, B, C, ..., X, Y, Z, AA, AB, AC, ..., AX, AY, AZ, BA, BB, BC, ... This is what Microsoft Excel uses to identify columns in spreadsheets.
Each digit position represents a power of twenty-six, so for example ABC is "one, plus two, plus three units " since "A" is worth one, "B" is worth two, "C" is worth three.
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Read more about this topic: Bijective Numeration
Famous quotes containing the word system:
“The violent illiteracies of the graffiti, the clenched silence of the adolescent, the nonsense cries from the stage-happening, are resolutely strategic. The insurgent and the freak-out have broken off discourse with a cultural system which they despise as a cruel, antiquated fraud. They will not bandy words with it. Accept, even momentarily, the conventions of literate linguistic exchange, and you are caught in the net of the old values, of the grammars that can condescend or enslave.”
—George Steiner (b. 1929)