# Sperry Remington 821-GT

The Sperry Remington 821-GT is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 22 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA.
**Note:** 8 digit display, 16 digits internal precision

## Facts at a glance:

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

Type | Arithmetic |

Functions | 5 |

Keys | 22 |

Precision | 8 |

Logic | Algebraic |

Display type | VFD |

Length | 149mm |

Width | 92mm |

Thickness | 36mm |

Weight | 206g |

Power Consumption | 0.230000W |

Power Source | 4xAA |

Year introduced | 1974 |

Year discontinued | 1974 |

## Replacements:

If you have a Sperry Remington 821-GT that is no longer working, you can first try replacing the 4xAA 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: