# Tandy EC-444

The Tandy EC-444 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 24 keys, and an LCD (liquid crystal) display. The power source is 1.5V mercury cell.
**Note:** Radio Shack

## Facts at a glance:

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

Type | Arithmetic |

Functions | 6 |

Keys | 24 |

Precision | 8 |

Logic | Algebraic |

Display type | LCD |

Length | 111mm |

Width | 66mm |

Thickness | 8mm |

Power Source | 1.5V mercury cell |

Year introduced | 1982 |

Year discontinued | 1982 |

## Replacements:

If you have a Tandy EC-444 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: