# Sinclair Executive Memory

The Sinclair Executive Memory is an arithmetic calculator with 8 digits precision and algebraic logic. It has 4 functions, 18 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3x mercury cell.

## Facts at a glance:

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

Type | Arithmetic |

Functions | 4 |

Keys | 18 |

Precision | 8 |

Logic | Algebraic |

Display type | LED |

Length | 138mm |

Width | 56mm |

Thickness | 9mm |

Power Source | 3x mercury cell |

Year introduced | 1973 |

## Replacements:

If you have a Sinclair Executive Memory that is no longer working, you can first try replacing the 3x 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: