# Casio M-810 (M-810)

The Casio M-810 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 20 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is LR44 1.5V. The calculator was manufactured in Japan.
**Note:** Radio Shack Micro-Mini version 2

## Facts at a glance:

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

Type | Arithmetic |

Functions | 5 |

Keys | 20 |

Precision | 8 |

Logic | Algebraic |

Display type | YLCD |

Length | 60mm |

Width | 41mm |

Thickness | 13mm |

Power Consumption | 0.010000W |

Power Source | LR44 1.5V |

Country | Japan |

Year introduced | 1976 |

## Replacements:

If you have a Casio M-810 that is no longer working, you can first try replacing the LR44 1.5V 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: