# Sceptre 821

The Sceptre 821 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 22 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V.

## Facts at a glance:

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

Type | Arithmetic |

Functions | 7 |

Keys | 22 |

Precision | 8 |

Logic | Algebraic |

Display type | LED |

Length | 138mm |

Width | 68mm |

Thickness | 24mm |

Weight | 78g |

Power Source | PP3 9V |

Year introduced | 1975 |

Year discontinued | 1975 |

## Replacements:

If you have a Sceptre 821 that is no longer working, you can first try replacing the PP3 9V 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: