# MBO 2003W

The MBO 2003W is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 27 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 2x1.5V mercury cell.
**Note:** Dual display.

## Facts at a glance:

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

Type | Arithmetic |

Functions | 7 |

Keys | 27 |

Precision | 8 |

Logic | Algebraic |

Display type | YLCD |

Power Source | 2x1.5V mercury cell |

Year introduced | 1979 |

## Replacements:

If you have a MBO 2003W 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 models as possible replacements: