A numbering system, often referred to as ‘Hex’, that works to base 16 (instead of our usual base 10) and is particularly useful as a shorthand method for describing binary numbers. Decimal 0-9 are the same as Hex, then 10 is A, 11 is B, up to 15 which is F.

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Decimal | Binary | Hex |
---|---|---|

0-9 | 0-1001 | 0-9 |

10 | 1010 | A |

11 | 1011 | B |

12 | 1100 | C |

13 | 1101 | D |

14 | 1110 | E |

15 | 1111 | F |

16 | 10000 | 10 |

27 | 11011 | 1B |

100 | 1100100 | 64 |

255 | 11111111 | FF |

*See also: Binary*