# Concept 2000 MR.MUS-I-CAL

The Concept 2000 MR.MUS-I-CAL 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 PP3 9V.
**Note:** Child's calculator in robot design. Tone generator.

## Facts at a glance:

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

Type | Arithmetic |

Functions | 4 |

Keys | 18 |

Precision | 8 |

Logic | Algebraic |

Display type | LED |

Power Source | PP3 9V |

Year introduced | 1975 |

## Replacements:

If you have a Concept 2000 MR.MUS-I-CAL that is no longer working, you can first try replacing the PP3 9V battery. 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: