# Elka 135

The Elka 135 is a scientific calculator with 8 digits precision and algebraic logic. It has 16 functions, 20 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAA.
**Note:** Yellow

## Facts at a glance:

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

Type | Scientific |

Functions | 16 |

Keys | 20 |

Precision | 8 |

Logic | Algebraic |

Display type | LED |

Length | 136mm |

Width | 70mm |

Thickness | 29mm |

Power Source | 4xAA |

Year introduced | 1977 |

## Replacements:

If you have an Elka 135 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 model as a replacement: