# TI-89

The **TI-89** and **TI-89 Titanium** are monochrome 68k-based calculators produced and marketed by Texas Instruments.

Type | Graphing calculator |
---|---|

Introduced | 1998 |

Successor | TI-89 Titanium |

Calculator | |

Display type | Monochrome Dot-matrix LCD |

Display size | 160x100 |

CPU | |

Processor | Motorola 68000 |

Programming | |

Programming language(s) | TI-Basic (68k Variant) |

Other |

Type | Graphing calculator |
---|---|

Introduced | 2004 |

Predecessor | TI-89 |

Calculator | |

Display type | Monochrome Dot-matrix LCD |

Display size | 160x100 |

CPU | |

Processor | Motorola 68000 |

Programming | |

Programming language(s) | TI-Basic (68k variant) |

Other | |

Weight | 267g (no batteries) |

They operate identically to the TI-92 series and TI Voyage 200 calculators, and have a Computer Algebra System that allows them to handle symbolic representation.

## TI-89Edit

### Internal designEdit

## TI-89 TitaniumEdit

### Internal designEdit

Compared to the earlier TI-89, the TI-89 titanium is significantly cost reduced, due in large part to the integration of many chips into a custom chip for TI.