# Casio PW-81

The Casio PW-81 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 25 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V cell.
**Note:** time/date function

## Facts at a glance:

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

Type | Arithmetic |

Functions | 5 |

Keys | 25 |

Precision | 8 |

Logic | Algebraic |

Display type | LCD |

Power Source | 2x1.5V cell |

Year introduced | 1985 |

## Replacements:

If you have a Casio PW-81 that is no longer working, you can first try replacing the 2x1.5V 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: