# MBO ALPHA 820PR

The MBO ALPHA 820PR is a programmable calculator with 10 digits precision and algebraic logic. It has 40 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V mercury cell.
**Note:** Tilting display.

## Facts at a glance:

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

Type | Programmable |

Keys | 40 |

Precision | 10 |

Logic | Algebraic |

Display type | LCD |

Power Source | 2x1.5V mercury cell |

Year introduced | 1995 |

## Replacements:

If you have a MBO ALPHA 820PR that is no longer working, you can first try replacing the 2x1.5V mercury 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 model as a replacement: