# Hughes Compu Chron (CompuChron)

The Hughes Compu Chron is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 23 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4x mercury cell.
**Note:** Calculator watch, also tells the time.

## Facts at a glance:

Feature | Value |
---|---|

Type | Arithmetic |

Functions | 5 |

Keys | 23 |

Precision | 8 |

Logic | Algebraic |

Display type | LED |

Length | 47mm |

Width | 38mm |

Thickness | 15mm |

Power Source | 4x mercury cell |

Year introduced | 1976 |

## Replacements:

If you have a Hughes Compu Chron that is no longer working, you can first try replacing the 4x mercury cell batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: