# Canon EX-1

The Canon EX-1 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 25 keys, and an LCD (liquid crystal) display. The power source is CR2025 3V. The calculator was manufactured in Japan.
**Note:** currency conversion

## Facts at a glance:

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

Type | Arithmetic |

Functions | 5 |

Keys | 25 |

Precision | 8 |

Logic | Algebraic |

Display type | LCD |

Length | 99mm |

Width | 56mm |

Thickness | 4mm |

Power Source | CR2025 3V |

Country | Japan |

Year introduced | 1977 |

Year discontinued | 1978 |

## Replacements:

If you have a Canon EX-1 that is no longer working, you can first try replacing the CR2025 3V 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: