# Radio Shack EC-425

The Radio Shack EC-425 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 23 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA.
**Note:** TI SR-10

## Facts at a glance:

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

Type | Arithmetic |

Functions | 10 |

Keys | 23 |

Precision | 8 |

Logic | Algebraic |

Display type | LED |

Length | 160mm |

Width | 79mm |

Thickness | 38mm |

Power Consumption | 1.000000W |

Power Source | 3xAA |

Year introduced | 1974 |

Year discontinued | 1975 |

## Replacements:

If you have a Radio Shack EC-425 that is no longer working, you can first try replacing the 3xAA 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: