# Casio J-1 (J-811)

The Casio J-1 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 24 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Japan.

## Facts at a glance:

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

Type | Arithmetic |

Functions | 7 |

Keys | 24 |

Precision | 8 |

Logic | Algebraic |

Display type | VFD |

Length | 158mm |

Width | 97mm |

Thickness | 24mm |

Weight | 152g |

Power Consumption | 0.250000W |

Power Source | 2xAA |

Country | Japan |

Year introduced | 1978 |

Year discontinued | 1978 |

## Replacements:

If you have a Casio J-1 that is no longer working, you can first try replacing the 2xAA 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: