# Busicom LE-120A (HANDY-LE)

The Busicom LE-120A is an arithmetic calculator with 12 digits precision and algebraic logic. It has 4 functions, 17 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 4xAA batteries.

The Handy-LE was the first calculator to use an LED display and also the first pocket calculator using the Mostek MK6010L calculator chip.

**Note:** NCR 1844

## Facts at a glance:

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

Type | Arithmetic |

Functions | 4 |

Keys | 17 |

Precision | 12 |

Logic | Algebraic |

Display type | LED |

Length | 123mm |

Width | 64mm |

Thickness | 22mm |

Weight | 300g |

Power Consumption | 0.360000W |

Power Source | 4xAA batteries |

Year introduced | 1971 |

Year discontinued | 1972 |

## Replacements:

If you have a Busicom LE-120A that is no longer working, you can first try replacing the 4xAA 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: