# Casio LC-820

The Casio LC-820 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 23 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 3x1.5V cell.

## Facts at a glance:

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

Type | Arithmetic |

Functions | 6 |

Keys | 23 |

Precision | 8 |

Logic | Algebraic |

Display type | YLCD |

Length | 110mm |

Width | 62mm |

Thickness | 7mm |

Weight | 64g |

Power Consumption | 0.001200W |

Power Source | 3x1.5V cell |

Year introduced | 1977 |

Year discontinued | 1977 |

## Replacements:

If you have a Casio LC-820 that is no longer working, you can first try replacing the 3x1.5V cell 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: