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Where does 0x come from?

Possible Duplicate:
Why are hexadecimal numbers prefixed with 0x?

I just saw a comment a friend of mine made:

3x12=36
2x12=24
1x12=12
0x12=18

Which made me wonder... Why did they choose 0x as prefix for hexadecimal numbers? Is there any history behind this decision?

Solution

  • I think, because x comes from hex and 0 is to indicate that it is a number.