# Braun ET66 (4776)

The Braun ET66 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 27 keys, and an LCD (liquid crystal) display. The power source is 1.5V mercury cell.

## Facts at a glance:

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

Type | Arithmetic |

Functions | 8 |

Keys | 27 |

Precision | 8 |

Logic | Algebraic |

Display type | LCD |

Length | 137mm |

Width | 77mm |

Thickness | 11mm |

Power Source | 1.5V mercury cell |

Year introduced | 1987 |

## Replacements:

If you have a Braun ET66 that is no longer working, you can first try replacing the 1.5V mercury cell battery. 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: